Ms.M.Banupriya, G.Gayathri, M.Vishnupriya,R.Nandhini,. “SMART WALKING STICK FOR VISUALLY IMPAIRED”. International Journal of Engineering and Computer Science 3, no. 03 (March 28, 2014). Accessed May 18, 2024. http://ijecs.in/index.php/ijecs/article/view/151.