PAUL, Ross. The Management of Distance Learning Systems. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 8, n. 2, p. 80–82, 2008. Disponível em: https://ijede.ca/index.php/jde/article/view/282. Acesso em: 29 apr. 2024.