Sampath Dakshina Murthy, A, Dr Rudra Pratap Das, and Dr S.Koteswara Rao. “A Versatile and Cost Effective Multimodal Wheelchair”. International Journal of Engineering & Technology 7, no. 2.20 (April 18, 2018): 124–126. Accessed May 2, 2024. https://sciencepubco.com/index.php/ijet/article/view/12188.