Predictive Study of the Factors and Challenges Affecting the Usability of E-Learning Platforms in the Light of COVID-19. International Journal of Education in Mathematics, Science and Technology, [S. l.], v. 10, n. 3, p. 568–589, 2022. DOI: 10.46328/ijemst.2428. Disponível em: https://ijemst.com/index.php/ijemst/article/view/539. Acesso em: 5 oct. 2025.