Ankit Lundia, Sounak Bhattacharya, D. Malathi, J. D. Dorathi Jayaseeli. 2020. “Development of Hand Sign Recognition Model for Differently- Abled Persons”. International Journal of Advanced Science and Technology 29 (06), 2368 -73. http://sersc.org/journals/index.php/IJAST/article/view/13538.