S. ULLAH; N. AHMAD; K. AHMAD; S. R. HASSNAIN. Expressions Invarient Face Recognition. Sindh University Research Journal - SURJ (Science Series), [S. l.], v. 46, n. 4, 2014. Disponível em: https://sujo.usindh.edu.pk/index.php/SURJ/article/view/5422. Acesso em: 8 sep. 2026.