MARSHALL, Stephen. A Quality Framework for Continuous Improvement of E-learning: The E-learning Maturity Model. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 24, n. 1, p. 143–166, 2010. Disponível em: https://ijede.ca/index.php/jde/article/view/606. Acesso em: 2 may. 2024.