WILLINSKY, J.; BARON, C. What Should Students Pay for University Course Readings?: An Empirical, Economic, and Legal Analysis. Canadian Journal of Higher Education, [S. l.], v. 51, n. 4, p. 40–53, 2021. Disponível em: https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/189159. Acesso em: 1 may. 2026.