MOHAMMED, H.; NASSER HUSSAIN, M.; AL ALAWY , F. Feature Extraction Techniques for Facial Expression Recognition (FER). Al-Iraqia Journal for Scientific Engineering Research, [S. l.], v. 2, n. 3, p. 32–40, 2023. DOI: 10.58564/IJSER.2.3.2023.85. Disponível em: https://ijser.aliraqia.edu.iq/index.php/ijser/article/view/85. Acesso em: 29 oct. 2025.