CRAGG, C.E. (Betty); DUNNING, Jean; ELLIS, Jaqueline. Teacher and Student Behaviors in Face-to-Face and Online Courses: Dealing With Complex Concepts. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 22, n. 3, p. 115–128, 2008. Disponível em: https://ijede.ca/index.php/jde/article/view/45. Acesso em: 4 may. 2024.