PRESTON, M. A. The Purposes of Graduate Education: An Historical Perspective. Canadian Journal of Higher Education, [S. l.], v. 3, n. 2, p. 195–198, 1973. Disponível em: https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/182588. Acesso em: 3 may. 2026.