YUSUF, A. A.; SUFYANU, Z.; MOHAMAD, F. S.; NANAA, K. Facial Landmark Detection and Estimation under Various Expressions and Occlusions. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 18, n. 2, p. 40–50, 2014. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3055. Acesso em: 23 jul. 2024.