Hossain, Md. Bipul, Apurba Adhikary, and Sultana Jahan Soheli. “Sign Language Digit Recognition Using Different Convolutional Neural Network Model”. Asian Journal of Research in Computer Science 6, no. 2 (August 11, 2020): 16-24. Accessed September 30, 2020. https://journalajrcos.com/index.php/AJRCOS/article/view/30154.