Shankar Rao, R. Gowri, N.K. Rayaguru, and Sunil Kumar Thakur. “System Engineering Approach for Assisting Physical-Ly Challenged and Geriatric Persons”. International Journal of Engineering & Technology 7, no. 1.2 (December 28, 2017): 23–26. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/8971.