Shankar Rao RG, Rayaguru N, Kumar Thakur S. System engineering approach for assisting physical-ly challenged and geriatric persons. IJET [Internet]. 2017 Dec. 28 [cited 2025 May 19];7(1.2):23-6. Available from: https://mail.sciencepubco.com/index.php/IJET/article/view/8971