ETCHEVERRY, E. J.; CLIFTON, R. A.; ROBERTS, L. W. Time Use and Educational Attainment: A Study of Undergraduate Students. Canadian Journal of Higher Education, [S. l.], v. 23, n. 3, p. 1–17, 1993. Disponível em: https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/183169. Acesso em: 2 may. 2026.