A.MERCY RANI, MEENAKSHIAMMALR,L.PAUL JASMINE RANI , S. SINDHU. “Blind Smart- Smart Mobile App to Find Crosswalks for Visually Impaired ”. International Journal of Advanced Science and Technology, Vol. 29, no. 7s, June 2020, pp. 5014 -19, https://sersc.org/journals/index.php/IJAST/article/view/25781.