JOHNSON, G. M.; BUCK, G. H. Students’ Personal and Academic Attributions of University Withdrawal. Canadian Journal of Higher Education, [S. l.], v. 25, n. 2, p. 53–77, 1995. Disponível em: https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/183215. Acesso em: 2 may. 2026.