AIDING SYSTEM FOR DEAF AND DUMB PERSONS BASED ON SPEECH AND IMAGE PROCESSING ALGORITHM. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 1, n. 5, p. 713–719, 2014. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/131. Acesso em: 8 sep. 2025.