ORVALHO, Verónica; MIRANDA, José; SOUSA, Augusto. What a Feeling: Learning Facial Expressions and Emotions. PRISMA.COM, [S. l.], n. 10, p. 159–169, 2009. Disponível em: http://84.247.136.72/ojsletrasX/index.php/prismacom/article/view/2046. Acesso em: 30 jul. 2025.