Dr. Genli Ren | Structural Engineering | Best Researcher Award

Dr. Genli Ren | Structural Engineering | Best Researcher Award

Dr. Genli Ren , China University of Mining and Technology , China.

 Dr. Genli Ren is a dedicated doctoral student and teaching assistant at the China University of Mining and Technology 🎓. With a strong foundation in structural engineering, he focuses on seismic and impact resistance 🏗️🌍. He has contributed to multiple national and provincial research projects 📚 and holds patents on innovative energy dissipation devices 🔧. With hands-on experience in the industry, including structural design roles 🏢, Genli continues to drive forward-thinking solutions for disaster-resilient infrastructure 💡. A member of prestigious engineering societies 🧠, he is passionate about improving the safety and durability of modern structures 🛠️.

Publication Profile

Scopus
Orcid

Education & Experience 

  • 📘 Ph.D. Student in Structural Engineering, China University of Mining and Technology (Current)

  • 🎓 Master’s Degree in Structural Engineering, Lanzhou University of Technology (2019)

  • 🏗️ Worked as Structural Designer (2019–2020), Henan Urban and Rural Planning and Design Institute

  • 🧱 Participated in steel structure sculpture project (2016–2017), Jiuquan City, Gansu

  • 💻 Skilled in PKPM software; holds Midas Junior Certification and Assistant Engineer title

Suitability Summary

Dr. Genli Ren is an emerging leader in the field of structural engineering, currently pursuing his PhD at the China University of Mining and Technology. His research is deeply rooted in seismic resistance, structural durability, and innovative disaster mitigation technologies. With a proven track record in both national and local research initiatives, as well as hands-on engineering practice, Dr. Ren embodies the qualities sought by the Best Researcher Award. His ability to merge academic insight with practical engineering solutions—evident through his patents, peer-reviewed publications, and impactful fieldwork—demonstrates his exceptional potential and positions him as a truly deserving recipient of the Best Researcher Award.

Professional Development 

Dr. Genli Ren has actively participated in 2 National Natural Science Foundation projects and 5 local initiatives 🔬. His professional growth includes contributions to key development projects in Jiangsu and Gansu Provinces 🗺️. He has authored papers in SCI-indexed journals and developed innovative structural energy dissipation devices 🧪📊. In addition to academic research, he has taken part in six industry projects, bringing real-world applications to structural engineering 🚧. His dual engagement in academia and fieldwork showcases his well-rounded expertise in engineering resilience and design 💡📐Dr. Genli is also a proud member of two leading engineering societies 🤝📘.

Research Focus 

Dr. Genli Ren’s research centers on structural engineering, with a focus on enhancing the durability and safety of infrastructure under extreme conditions 🌪️🏗️. His work involves the seismic and impact resistance of prestressed concrete structures and explores innovative energy dissipation technologies, such as tension-compression friction devices 🔩🧱. He also designs cable net assembly systems to intercept debris flow, contributing to disaster mitigation efforts 🛡️🌍. By blending theoretical models with practical engineering solutions, Genli is advancing the field of structural engineering through sustainable and disaster-resilient innovations that benefit both academia and industry 💼📐.

Awards & Honors 

  • 🧪 Participated in 2 National Natural Science Foundation Projects

  • 🧱 Contributed to 5 Regional Research Projects (including Gansu and Jiangsu)

  • 🏗️ 6 Industry Projects with practical structural design experience

  • 🔧 Holder of 2 Patents on energy dissipation devices

  • 📈 Journal article in Arabian Journal for Science and Engineering (SCI-indexed)

  • 📊 Citation Index: 70 citations, H-index: 4

  • 👷 Earned Assistant Engineer Title and Midas Junior Certification

Publication Top Notes

  1. 🧊 Experimental Study on Axial Compression Performance of Steel Tube Confined Concrete After Freeze-Thaw Cycles
    📅 2024 | 📰 Results in Engineering
    🔗 DOI: 10.1016/j.rineng.2024.103267
    📑 EID: 2-s2.0-85208257309
    👥 Authors: Zeng, Z.; Ren, G.

  2. 🧊 Study on Interfacial Bond-Slip Constitutive Model of Concrete-Filled Steel Tube Under Freeze-Thaw Cycles
    📅 2024 | 📰 Progress in Steel Building Structures
    🔗 DOI: 10.13969/j.cnki.cn31-1893.2024.09.006
    📑 EID: 2-s2.0-85205261646
    👥 Authors: Zeng, Z.; Wang, Y.; Wang, X.; Ren, G.

  3. 🧪 Experimental and Theoretical Research on Low-Strength Concrete Beams Reinforced with Basalt FRP Sheets in a Freeze–Thaw Environment
    📅 2021 | 📰 Arabian Journal for Science and Engineering
    🔗 DOI: 10.1007/s13369-020-05249-0
    📑 EID: 2-s2.0-85101447054
    👥 Authors: Zeng, Z.; Wang, X.; Li, S.; Ren, G.

  4. 🏟️ Simulation Analysis of Steel Structure Construction Process of Large Complex Gymnasium
    📅 2020 | 📰 Journal of Beijing Jiaotong University
    🔗 DOI: 10.11860/j.issn.1673-0291.20200091
    📑 EID: 2-s2.0-85099763682
    👥 Authors: Wang, X.; Feng, Z.; Ren, G.; Gou, B.; Liu, M.

  5. 🛡️ Numerical Simulation and Experimental Study on the Impact Resistance of a New Cable Net and Steel Tube Structure
    📅 2020 | 📰 Journal of Lanzhou University: Natural Sciences
    🧠 Contributions: Conceptualization, Formal analysis
    👤 Author: Genli Ren

Conclusion

Dr. Genli Ren embodies the values of the Best Researcher Award through his dedication to solving critical engineering problems via both academic research and practical implementation. His interdisciplinary expertise in structural engineering, strong publication record, patent innovations, and applied industry work underscore his capacity to lead future advancements in civil and structural safety. His profile stands out as a researcher who not only generates knowledge but also transforms it into real-world solutions—making him a truly deserving candidate for this prestigious recognition. 🌟

Assoc. Prof. Dr. Mohsen Rouached | Software Engineering | Best Researcher Award

Assoc. Prof. Dr. Mohsen Rouached | Software Engineering | Best Researcher Award

Assoc. Prof. Dr. Mohsen Rouached , University of Bahrain , Bahrain.

Dr. Mohsen Rouached 🎓 is an accomplished Associate Professor in Computer Science with a global academic footprint 🌍, he has contributed to prestigious institutions across France, Saudi Arabia, Oman, and Bahrain 🏛️. He specializes in cutting-edge areas like Cloud Computing ☁️, Cyber Security 🔐, and Software Engineering 💻. Dr. Rouached is known for his dynamic teaching style 👨‍🏫, extensive research, and contributions to academic development 🧠. Currently based at the University of Bahrain 🇧🇭, he remains actively involved in curriculum enhancement and quality assurance initiatives 📘.

Publication Profile

Scopus

Education & Experience

🎓 Academic Qualifications:
  • 🏅 HDR in Computer Science – University Paris 1 Panthéon-Sorbonne, France (2018)

  • 🎓 PhD in Computer Science – University of Lorraine, France (2008)

  • 🥇 MSc with Honors in Computer Science – University of Lorraine, France (2005)

  • 💻 Computer Science Engineering Diploma – ENSI, Tunisia (2004)

  • 🧑‍🔬 Engineering Prep Studies – IPEIN, Tunisia (2001)

  • 🧮 Mathematics Baccalaureate – Sfax, Tunisia (1999)

👨‍🏫 Academic Experience:
  • 📍 Associate Professor – University of Bahrain (2019–Present)

  • 📍 Associate Professor – Sultan Qaboos University, Oman (2016–2019)

  • 📍 Associate Professor – Taif University, Saudi Arabia (2011–2016)

  • 📍 Assistant Professor – Imam University, Riyadh (2009–2011)

  • 🔬 PostDoc Researcher – Claude Bernard University, France (2008–2009)

  • 📚 Teaching Assistant – University of Lorraine, France (2008–2010)

Summary Suitability

Dr. Mohsen Rouached is an outstanding candidate for the Best Researcher Award, with a distinguished academic and research portfolio that spans over 15 years across premier institutions in France, Saudi Arabia, Oman, and Bahrain 🌍. His scholarly contributions, cutting-edge research focus, and international collaborations make him a leader in the fields of Computer Science and Cyber Security.

Professional Development 

Dr. Rouached has actively enhanced academic excellence through committee work and quality assurance leadership 🏗️. He played a pivotal role in shaping and accrediting MSc programs in Cyber Security and Software Engineering at the University of Bahrain 🎯. His participation in research and seminar committees reflects his dedication to fostering a vibrant research culture 🔍. Through continuous curriculum development and strategic program oversight 📊, he has significantly contributed to the evolution of IT education. His professional growth also includes supervising graduate theses, promoting innovative teaching methods 🎓, and engaging in interdisciplinary collaborations both regionally and internationally 🌐.

Research Focus 

Dr. Rouached’s research spans several high-impact fields within Computer Science 🌐. His primary focus includes the Internet of Services 🌍, Cloud Computing ☁️, and Cyber Security 🔒, areas critical for the future of digital infrastructure. He is also deeply engaged in Software Engineering 🛠️ and Machine Learning 🤖, exploring smart system automation, secure architectures, and intelligent service composition. His interdisciplinary approach combines theoretical rigor with practical applications 📈, aiming to solve real-world digital challenges. Dr. Rouached’s research not only contributes to academic knowledge 🧠 but also supports innovation in industries and governments seeking robust and secure IT solutions 🏢.

Awards & Honors 

  • 🏅 High Citation Impact – Over 1,200 citations, reflecting global academic influence

  • 📊 h-index: 18 – Recognizing significant and consistent research contributions

  • 📚 i10-index: 24 – Acknowledging impactful publications with at least 10 citations each

  • 🌍 Published in 25 International Journals – Contributing to global knowledge exchange

  • 🎤 Presented at 33 International Conferences – Sharing expertise with international communities

  • 🧠 Panelist at 3 International Conference Forums – Participating in expert discussions

  • 🛠️ Contributor to 1 International Workshop – Fostering hands-on knowledge transfer

  • 📖 Author of 2 Book Chapters – Expanding academic discourse in published volumes

  • 📝 Supervised 3 Dissertations – Mentoring the next generation of researchers

  • 🧑‍🏫 HDR (Accreditation to Supervise Research) – Prestigious academic qualification from University Paris 1 Panthéon-Sorbonne

Publication Top Notes

  1. 📄 “Design and Analysis of an Effective Architecture for Machine Learning Based Intrusion Detection Systems”
    👥 Authors: Alromaihi N., Rouached M., Akremi A.
    🗞️ Journal: Network, 2025, Vol. 5(2), p.13
    🔍 Field: Intrusion Detection, Machine Learning

  2. 📄 “Policy-Based Smart Contracts Management for IoT Privacy Preservation”
    👥 Authors: Rouached M., Akremi A., Macherki M., Kraïem N.
    🗞️ Journal: Future Internet, 2024, Vol. 16(12):452
    🌐 Open Access | 🔐 IoT Privacy | 📜 Smart Contracts

  3. 📄 “Web Service Composition Security: A Three-Dimensions Overview”
    👤 Author: Mohsen Rouached
    🗞️ Journal: International Journal of Service Science, Management, Engineering, and Technology (IJSSMET), 2021, Vol. 12(3):154–174
    📊 Indexed in: Scopus | SJR |
    🧮 Impact Factor: 1.97

  4. 📄 “A Comprehensive and Holistic Knowledge Model for Cloud Privacy Protection”
    👥 Authors: Akremi A., Rouached M.
    🗞️ Journal: Journal of Supercomputing, 2021, Vol. 77(8): 7956–7988
    📊 Indexed in: Web of Science | Scopus | SJR
    🧮 Impact Factor: 2.47

  5. 📄 “Applying Digital Forensics to Service Oriented Architecture”
    👥 Authors: Akremi A., Rouached M., Sallay H., Bouaziz R.
    🗞️ Journal: International Journal of Web Services Research, 2020, Vol. 17(1)
    📊 Indexed in: Web of Science | Scopus | SJR
    🧮 Impact Factor: 1.7

  6. 📄 “Semantic Web Service Composition Using Semantic Similarity Measures and Formal Concept Analysis”
    👥 Authors: Abid A., Rouached M., Messai N.
    🗞️ Journal: Multimedia Tools and Applications, 2020, Vol. 79(9–10): 6569–6597
    📊 Indexed in: Web of Science | Scopus
    🧮 Impact Factor: 2.75

  7. 📄 “A Semantic Matching Engine for Web Service Composition”
    👥 Authors: Abid A., Rouached M., Messai N., Abid M., Devogele T.
    🗞️ Journal: International Journal of Information Systems, 2019, Vol. 30(1): 92–108
    📊 Indexed in: Scopus | SJR
    🧮 Impact Factor: 0.72

Conclusion

Dr. Rouached’s consistent research output, international academic influence, and commitment to advancing computer science make him an ideal candidate for the Best Researcher Award. His work not only contributes to academic advancement but also drives real-world technological innovation, making a meaningful impact across borders and disciplines.

Martin Anselm | Microstructure | Best Researcher Award

Assoc. Prof. Dr. Martin Anselm | Microstructure | Best Researcher Award

Rochester Institute of Technology, United States

👨‍🎓Profiles

Early Academic Pursuits 🎓

Martin K. Anselm’s academic journey began with a solid foundation in the field of physics, earning a BA in Physics from the State University of New York at Geneseo in 1999. He then progressed to Clarkson University in Potsdam, NY, where he completed his MS in Mechanical Engineering in 2002. This was followed by a deep dive into the realm of materials science, culminating in a Ph.D. in Materials Science & Engineering from Binghamton University in 2011. His academic background is rich in technical knowledge, specifically focused on materials science and mechanical engineering.

Professional Endeavors 🌍

Dr. Anselm currently serves as an Associate Professor in Manufacturing, Mechanical & Electromechanical Engineering Technology at Rochester Institute of Technology (RIT). With a commitment to advancing both academic knowledge and industry collaboration, he plays a vital role in the CEMA Lab at RIT, which heavily relies on industry-backed research projects and cutting-edge industrial manufacturing equipment. His engagement with Surface Mount Technology Association (SMTA) stands out, as he served as SMTA President (2020 - present) and has contributed as SMTA Board Member from 2013 to 2019, alongside holding leadership roles within the Empire Chapter of SMTA. His influence within the electronics manufacturing sector has helped steer numerous initiatives that bridge academia and industry.

Contributions and Research Focus 🔬

Dr. Anselm's research is deeply rooted in electronics solder joint fracture mechanics and microstructural evolution in fatigue, which is crucial for the long-term reliability and performance of electronic components. His other areas of expertise include semiconductor device packaging, electronics assembly manufacturing, and electronics reliability modeling and test development. His work in these domains supports industries that require reliable electronic components for use in everything from consumer electronics to critical infrastructure. His research contributions also extend to the practical aspects of electronics manufacturing, where he is dedicated to improving the quality and durability of solder joints and devices.

Impact and Influence 🌟

Dr. Anselm’s research is influential in both academic and industry circles. His involvement in the SMTAI conference has enabled him to share his expertise and contribute to the dissemination of cutting-edge research in electronics manufacturing. By actively engaging with industry partners, he has helped shape research projects that align with real-world manufacturing challenges. This collaboration has not only resulted in technological advancements but has also provided RIT students and faculty with access to advanced industrial manufacturing equipment, fostering hands-on learning opportunities.

Academic Citations 📚

As a thought leader in his field, Dr. Anselm’s work has been widely cited in academic circles, particularly within the realm of electronics manufacturing and materials science. His research contributions are frequently referenced by professionals seeking insights into the fracture mechanics of solder joints and electronics reliability, highlighting the significant impact his work has on both academia and the broader electronics industry.

Technical Skills 🔧

Dr. Anselm possesses extensive technical skills in areas including electronics assembly manufacturing, reliability testing, and materials characterization. His expertise in solder joint fracture mechanics is complemented by proficiency in microstructural analysis, which is essential for understanding how fatigue impacts the longevity of electronic components. Additionally, his experience with semiconductor packaging and electronics reliability modeling allows him to offer solutions to complex problems encountered in the design and manufacturing of electronic devices.

Teaching Experience 📖

Dr. Anselm’s teaching career is marked by his involvement in courses such as Science of Engineering Materials (ME272) and Processes for Electronics Manufacturing (SSIE 578) at Binghamton University. His instructional approach focuses on integrating academic theory with practical application, ensuring that students are well-prepared for careers in electronics manufacturing and related fields. As an educator, he has not only imparted technical knowledge but also mentored students in research, helping to nurture the next generation of engineers.

Legacy and Future Contributions 🌱

Looking ahead, Dr. Anselm is poised to continue making significant contributions to the field of electronics manufacturing, particularly in improving the reliability of solder joints and advancing semiconductor device packaging. His research is expected to influence the development of more resilient and efficient electronic components that will be critical as industries move towards more compact, high-performance devices. As a mentor and leader, his legacy will be carried forward through his students and the ongoing collaboration between RIT and industry partners.

📖Notable Publications

 

Kedir Derbie Mekonnen | Chemical Engineering | Best Researcher Award

Mr. Kedir Derbie Mekonnen | Chemical Engineering | Best Researcher Award

Wollo University, Ethiopia

👨‍🎓Profiles

🌱 Early Academic Pursuits

Kedir Derbie Mekonnen embarked on his academic journey with a strong foundation in chemical engineering. He earned his Bachelor of Science in Chemical Engineering (2011-2016) from Wollo University, Kombolcha Institute of Technology, Ethiopia, completing a project on bio-ethanol production from corn cob. His academic endeavors culminated in a Master of Science in Chemical Engineering (Process Engineering) from Bahir Dar University in 2020. His thesis, Synthesis and Characterization of Biodiesel from Desert Date (Balanites Aegyptiaca) Seed Kernel Oil, reflects his dedication to renewable energy and sustainable chemical processes.

👨‍🏫 Professional Endeavors

Kedir’s professional career began in December 2016 as a Production Chemist at Kombolcha Tannery PLC. Here, he gained hands-on experience in leather production, waste management, and chemical formulation. Transitioning to academia in 2017, he served as an Assistant Lecturer at Wollo University, later advancing to the position of Lecturer in 2020. His role includes teaching, mentoring students, conducting research, and leading laboratory sessions.

📚 Contributions and Research Focus

Kedir’s research focuses on biodiesel production, catalysis, and renewable energy. His Master's thesis demonstrates innovative approaches to utilizing desert date seed kernel oil for biodiesel synthesis, addressing global energy challenges. As a lecturer, he actively reviews and conducts research, contributing to Ethiopia’s knowledge base in process engineering.

🌍 Impact and Influence

Through his work in academia and industry, Kedir has impacted the fields of chemical engineering and renewable energy. His efforts in biodiesel production and waste management have practical implications for sustainable development in Ethiopia. He has also played a vital role in shaping future engineers through his teaching and mentorship at Wollo University.

📖 Academic Cites

Kedir’s academic contributions are recognized in scholarly circles, with publications and research work cited by peers. His focus on biodiesel production and environmental sustainability has garnered attention in the field of chemical engineering.

💻 Technical Skills

Kedir possesses a robust set of technical skills, including proficiency in Microsoft Office, SPSS, Design Expert, E-Draw Max, LINGO, Aspen Plus, COMSOL, and MATLAB. These tools empower him to conduct sophisticated simulations, data analyses, and process designs, enhancing his research and teaching capabilities.

🎓 Teaching Experience

As a lecturer at Wollo University, Kedir has enriched the learning experiences of countless students. His responsibilities include preparing and delivering lectures, designing laboratory sessions, advising on student projects, and crafting curriculum materials. His Higher Diploma in Higher Education Teaching further underscores his commitment to educational excellence.

🏆 Legacy and Future Contributions

Kedir envisions a future where renewable energy and sustainable chemical processes play a pivotal role in Ethiopia’s development. His work in biodiesel research and education aims to inspire innovation in chemical engineering. By mentoring students and contributing to groundbreaking research, he is leaving a lasting legacy that will shape the next generation of engineers and scientists.

🌟 Key Highlights

  • Innovative Research: Focus on renewable energy through biodiesel production.
  • Industrial Experience: Expertise in leather production and waste management as a Production Chemist.
  • Teaching Excellence: Significant contributions to student learning and mentorship.
  • Technical Proficiency: Advanced knowledge of industry-standard software and tools.
  • Sustainability Advocate: Dedication to environmental sustainability through research and practice.

📖Notable Publications

 

Erika Alves Tavares Marques | Engineering | Best Researcher Award

Dr. Erika Alves Tavares Marques | Engineering | Best Researcher Award

Federal University of Pernambuco, Brazil

👨‍🎓Profiles

🎓 Early Academic Pursuits

Érika Alves Tavares Marques began her academic journey with a strong foundation in biology and environmental management. Her advanced studies led her to specialize in Environmental Management and Control, followed by a master’s degree in Environmental Technology. Pursuing her passion for interdisciplinary research, she earned her doctorate in Development and Environment (PRODEMA), focusing on innovative approaches to environmental sustainability.

💼 Professional Endeavors

Currently a Postdoctoral Researcher at the Federal University of Pernambuco in Brazil, She contributes to significant advancements in environmental science and technology. Her expertise spans water quality, solid waste management, and sustainable environmental practices. She also holds a position on the editorial boards of numerous international journals, solidifying her influence in the field.

🌍 Contributions and Research Focus

Her research emphasizes integrated environmental management systems, particularly in the semi-arid regions of Brazil. Her projects have tackled pressing issues like adaptive governance and water security under the climate emergency, showcasing her dedication to bridging the gap between research and practical environmental solutions.

🌟 Impact and Influence

She has spearheaded multiple groundbreaking projects, including the development of decision support systems for environmental management and integrated water management models under climate change scenarios. These efforts have not only addressed critical regional challenges but also set benchmarks for global environmental governance.

📖 Academic Citations

With an extensive research portfolio, Her contributions are well-recognized in the academic community. Her citation index reflects the widespread impact of her work on sustainable environmental practices and water resource management.

💻 Technical Skills

She possesses advanced expertise in environmental monitoring, data analysis, and ecosystem modeling. Her skills enable her to develop innovative tools and methodologies for assessing and addressing ecological challenges.

🎓 Teaching Experience

Beyond research, She is dedicated to mentoring and teaching. She has contributed to developing future environmental leaders by guiding students and participating in educational programs that promote awareness of sustainable practices.

🏆 Legacy and Future Contributions

Her legacy is defined by her commitment to sustainability and innovation. She continues to focus on adaptive governance strategies, particularly in managing water resources amidst climate challenges. Her ongoing research into the female presence in the food-water-energy nexus within the Caatinga biome underscores her dedication to inclusive and impactful environmental solutions.

📚 Publications and Editorial Roles

She has authored influential works, such as Piscicultura e Sistema de Wetland Construída no Semiárido (2018), and serves on the editorial boards of esteemed journals like the International Journal of Hydrology. Her prolific contributions have shaped discussions on environmental management and sustainability globally.

🤝 Professional Memberships

As a member of the CRBio 5 (Regional Biology Council 5th Region), She actively participates in advancing the biology and environmental science professions. Her collaborations with journals and organizations further emphasize her leadership and influence.

🚀 Vision for the Future

With a strong foundation in environmental research and practical applications, She aims to enhance global sustainability practices. Her focus on adaptive and integrated management systems will continue to drive meaningful change, ensuring a resilient and equitable future for ecosystems and communities worldwide.

📖Notable Publications

Application of Building Information Modelling in Construction and Demolition Waste Management: Systematic Review and Future Trends Supported by a Conceptual Framework

Authors: Lins, E.J.M.; Palha, R.P.; Sobral, M.D.C.M.; Araújo, A.G.D.; Marques, É.A.T.

Journal: Sustainability (Switzerland)

Year: 2024

 

Spatial-temporal evaluation of water quality in Brazilian semiarid reservoirs

Authors: Rossiter, K.W.L.; Marques, E.A.T.; Ricardo De, C.; Elena Matta, O.; Morais, M.M.

Journal: Water Practice and Technology

Year: 2020

 

Master plans in articulation of water resource management with land use around reservoirs

Authors: Calado, T.O.; Cardoso, A.S.; Marques, É.A.T.; Sobral, M.D.C.

Journal: Revista Brasileira de Geografia Fisica

Year: 2020

 

Management of tropical river basins and reservoirs under water stress: Experiences from northeast Brazil

Authors: Marques, É.T.; Gunkel, G.; Sobral, M.C.

Journal: Environments - MDPI

Year: 2019

 

Assessing the negative impact of an aquaculture farm on effluent water quality in Itacuruba, Pernambuco, Brazilian semiarid region

Authors: Marques, E.A.T.; Da Silva, G.M.N.; De Oliveira, C.R.; Cunha, M.C.C.; Do Carmo Sobral, M.

Journal: Water Science and Technology

Year: 2018