, D. R. K. D. D. P. A Review on Facial Expression Recognition Techniques. International Journal on Future Revolution in Computer Science & Communication Engineering, [S. l.], v. 3, n. 11, p. 560–567, 2017. Disponível em: http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/348. Acesso em: 29 apr. 2024.