HLAZUNOVA, O.; KRAVCHENKO, V.; SAVYTSKA, I.; KOROLCHUK, V.; VOLOSHYNA, T.; SAIAPINA, T. Analysis of the Emotional State of Students Based on Cognitive Technologies During an Online Class. Journal of Learning for Development , [S. l.], v. 13, n. 2, p. 374–386, 2026. DOI: 10.56059/jl4d.v13i2.1581. Disponível em: https://jl4d.org/index.php/ejl4d/article/view/1581. Acesso em: 14 jul. 2026.