DESAI GHATA SANJEEVKUMAR; PANKAJ KUMAR GAUTAM. Various Techniques for Facial Detection and Expression Classification. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 2, n. 4, p. 139–143, 2015. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/605. Acesso em: 7 jul. 2025.