OUF, Shimaa. An enhanced online learning environment in the time of COVID-19. Informatica, [S. l.], v. 45, n. 6, 2021. DOI: 10.31449/inf.v45i6.3327. Disponível em: https://puffbird.ijs.si/index.php/informatica/article/view/3327. Acesso em: 23 jun. 2025.