LIANG, Wei. Research on Facial Expression Recognition Based on Improved VGG19. Transactions on Computer Science and Intelligent Systems Research, [S. l.], v. 5, p. 1078–1085, 2024. DOI: 10.62051/tezx1j29. Disponível em: https://wepub.org/index.php/TCSISR/article/view/2815. Acesso em: 15 may. 2025.