SMART ATTENDANCE SYSTEM USING FACE DETECTION WITH BIOMETRIC BACKUP. International Journal of Mechanical Engineering Research and Technology , [S. l.], v. 18, n. 4, p. 1034–1070, 2026. Disponível em: https://ijmert.com/index.php/ijmert/article/view/329. Acesso em: 10 oct. 2026.