CUDE, W. The Need for Improved Doctoral Program Statistics. Canadian Journal of Higher Education, [S. l.], v. 21, n. 1, p. 1–12, 1991. Disponível em: https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/183091. Acesso em: 4 may. 2026.