GIBBONS , Maurice; PHILLIPS , Gary. Symposium: Self-Education: The Process of Life-Long Learning. Canadian Journal of Education/Revue canadienne de l’éducation, [S. l.], v. 7, n. 4, p. 67–86, 1982. Disponível em: https://cje.journals.publicknowledgeproject.org/cje/index.php/cje-rce/article/view/8145. Acesso em: 19 sep. 2026.