Anju V.Sathyan, and Bindu.V. “AIDING SYSTEM FOR DEAF AND DUMB PERSONS BASED ON SPEECH AND IMAGE PROCESSING ALGORITHM”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 1, no. 5, May 2014, pp. 713-9, https://ijaerd.org/index.php/IJAERD/article/view/131.