15. C. Bajaj, Sachin Kumar, A. Kandwal, “Electromagnetics Wave Sensors: Design, Fabrication, and Development,” Emerging Diagnostic Glucose Sensing Approaches: Diabetes. (ISBN: 9780443363481) (Elsevier)
14.S.K. Palaniswamy, Sachin Kumar, T. Govindan, M. Kanagasabai, “Flexible Antennas for Wireless Body Area Network Applications,” Radio Frequency and Microwave Design for Next-Generation Wireless Applications. (ISBN: 9781032821214) (Taylor & Francis)
13. D. Sharma, Sachin Kumar, “Metamaterial Based Wearable and Implantable Antennas,” Handbook of Nano-Metamaterials. (ISBN: 9789811302619) (Springer)
12.K. Swaroopa, N.C. Kumar, C.F. Britto, M. Malathi, K. Ganesan, Sachin Kumar, “Texture Analysis-based Features Extraction & Classification of Lung Cancer Using Machine Learning,” AI and IoT-Based Intelligent Health Care & Sanitation, pp. 114–127, 2023. (ISBN: 9789815136531) (Bentham Science)
11.K.T. Ilayarajaa, M. Sugadev, S.D. Patil, V. Vani, H. Roopa, Sachin Kumar, “Glaucoma Detection Using Retinal Fundus Image by Employing Deep Learning Algorithm,” AI and IoT-Based Intelligent Health Care & Sanitation, pp. 98–112, 2023. (ISBN: 9789815136531) (Bentham Science)
10.L. Harlan, Sachin Kumar, S. Mondal, “Terahertz Metamaterial Filters: Design, Fabrication, and Applications,” Metamaterials for Microwave and Terahertz Applications: Absorbers, Sensors and Filters. (ISBN: 9798886973303) (Nova Science)
9.S. Saxena, B.K. Kanaujia, Sachin Kumar, R. Mittra, “Planar Printed MIMO Antennas for 5G Access Points,” Printed Antennas for 5G Networks. (ISBN: 9783030876043) (Springer) [Invited]
8.S. Saxena, S. Dwari, B.K. Kanaujia, Sachin Kumar, M. Singh, “Design Challenges in Planar Printed MIMO Antennas,” Multifunctional MIMO Antennas: Fundamentals and Applications, CRC Press. (ISBN: 9781032190341) (Taylor & Francis)
7.Sachin Kumar*, L. Wang, “Antennas and Wearable Sensors for Biomedical Diagnostics and Therapeutic Applications,” Electromagnetic Waves and Antennas for Biomedical Applications. (ISBN: 9781839531675) (IET) [Invited]
6. D. Gangwar, Sachin Kumar, S.K. Gupta, G. Singh, A. Sharma, “Reconfigurable Printed Antennas,” Printed Antennas: Theory and Design, CRC Press. (ISBN: 9780367420413) (Taylor & Francis)
5.Sachin Kumar*, S. Saxena, G. Srivastava, S.K. Palaniswamy, T.R. Rao, B.K. Kanaujia, “Compact Monopole Antenna with Circularly Polarized Band for Biomedical Applications,” Bioelectronics and Medical Devices: Applications and Technology, CRC Press. (ISBN: 9781771889230) (Taylor & Francis)
4. N. Singh, Sachin Kumar, B.K. Kanaujia, “Antennas for Biomedical Applications Using RF Energy Harvesting,” Bioelectronics and Medical Devices: Applications and Technology, CRC Press. (ISBN: 9781771889230) (Taylor & Francis)
3. G. Srivastava, N. Singh, Sachin Kumar, “Smart Antennas for Contemporary Wireless Communication Systems: Concepts, Challenges, and Performance,” Advances in Antenna, Signal Processing, and Microelectronics Engineering, CRC Press. (ISBN: 9781771888837) (Taylor & Francis)
2. N. Singh, Sachin Kumar, B.K. Kanaujia, “A New Trend to Power up Next-Generation Internet of Things (IoT) Devices: ‘Rectenna’,” Energy Conservation for IoT Devices: Concepts, Paradigms and Solutions, vol. 206, no. 1, pp. 331–356, 2019. (ISBN: 9789811373985) (Springer)
1. N. Singh, Sachin Kumar, B.K. Kanaujia, H.C. Choi, K.W. Kim, “Energy-Efficient System Design for Internet of Things (IoT) Devices,” Energy Conservation for IoT Devices: Concepts, Paradigms and Solutions, vol. 206, no. 1, pp. 49–74, 2019. (ISBN: 9789811373985) (Springer)