Development of Speaking System for Dumb People by Using Hand Gestures. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135), [S. l.], v. 5, n. 8, p. 26–32, 2019. DOI: 10.31695/IJERAT.2019.3491. Disponível em: https://ijerat.com/index.php/ijerat/article/view/132. Acesso em: 23 apr. 2026.