VALLERAND, N. A Model for Evaluating Program Costs: A General View. Canadian journal of higher education, [S. l.], v. 7, n. 2, p. 39–51, 1977. DOI: 10.47678/cjhe.v7i2.182725. Disponível em: https://cjhe-rces.ca/index.php/cjhe/article/view/182725. Acesso em: 23 feb. 2025.