Gowsalya M, Vengadpathi raj, Gayathri N, and Aravind kumar J. “Autonomous Detection for Visually Challenged People”. International Journal of Progressive Research in Science and Engineering 1, no. 6 (September 18, 2020): 9-15. Accessed January 28, 2022. https://journals.grdpublications.com/index.php/ijprse/article/view/173.