SMARTPHONE BASEDFACE AND VOICE AUTHENTICATION IN MOBILE DEVICESBY USING MFCC ALGORITHM. International Journal of Engineering Sciences & Management Research, [S. l.], v. 2, n. 12, p. 7–13, 2015. Disponível em: https://ijesmr.com/index.php/ijesmr/article/view/150. Acesso em: 21 jul. 2026.