E-Learning: From an Option to an Obligation. International Journal of Technology in Education and Science, [S. l.], v. 6, n. 1, p. 86–110, 2022. DOI: 10.46328/ijtes.314. Disponível em: https://ijtes.net/index.php/ijtes/article/view/1662. Acesso em: 4 sep. 2025.