GUERIN, G. Review of Planifier pour Planifier. Canadian Journal of Higher Education, [S. l.], v. 5, n. 3, p. 76–77, 1975. DOI: 10.47678/cjhe.v5i3.182647. Disponível em: https://journals.sfu.ca/cjhe/index.php/cjhe/article/view/182647. Acesso em: 3 jul. 2022.