AL-NAABI, I.; AL-ABRI, A. E-Learning Implementation Barriers during COVID-19: A Cross-Sectional Survey Design. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 20, n. 8, p. 176–193, 2021. Disponível em: http://ijlter.net/index.php/ijlter/article/view/48. Acesso em: 4 jun. 2026.