BURKLE, Martha. E-learning Research. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 23, n. 2, p. 157–160, 2009. Disponível em: https://ijede.ca/index.php/jde/article/view/621. Acesso em: 28 apr. 2024.