BERNARD, Robert; AMUNDSEN, Cheryl L. Antecedents to Dropout in Distance Education: Does One Model Fit All?. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 4, n. 2, p. 25–46, 2008. Disponível em: https://ijede.ca/index.php/jde/article/view/530. Acesso em: 4 may. 2024.