ZHANG, D.; TIAN, Q. . A Novel Fuzzy Optimized CNN-RNN Method for Facial Expression Recognition. Elektronika ir Elektrotechnika, [S. l.], v. 27, n. 5, p. 67-74, 2021. DOI: 10.5755/j02.eie.29648. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/29648. Acesso em: 29 jan. 2022.