PAUL, R. H. Critical Reflections on Distance Education. Canadian Journal of Higher Education, [S. l.], v. 20, n. 2, p. 95–98, 1990. Disponível em: https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/183076. Acesso em: 3 may. 2026.