CALLAHAN, Marilyn; WHARF, Brian. Distance Education in Social Work in Canada. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, [S. l.], v. 4, n. 2, p. 63–80, 1989. Disponível em: https://ijede.ca/index.php/jde/article/view/343. Acesso em: 2 may. 2024.