Thiyagarajan, S, Dr G.Saravana Kumar, E Praveen Kumar, and G Sakana. “Implementation of Optical Character Recognition Using Raspberry Pi for Visually Challenged Person”. International Journal of Engineering & Technology 7, no. 3.34 (September 1, 2018): 65–67. Accessed May 4, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/18718.