UNGAR, S. B. The Retention Problem: An Analysis of Enrolment Attrition at a Canadian College. Canadian journal of higher education, [S. l.], v. 10, n. 1, p. 57–74, 1980. DOI: 10.47678/cjhe.v10i1.182808. Disponível em: https://cjhe-rces.ca/index.php/cjhe/article/view/182808. Acesso em: 23 feb. 2025.