BULLEN, Mark. Editorial / Éditorial. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 23, n. 2, p. i-iv, 2009. Disponível em: https://www.ijede.ca/index.php/jde/article/view/648. Acesso em: 29 apr. 2024.