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 and Technology 7, no. 1.2 (December 28, 2017): 23–26. Accessed May 19, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/8971.