VAUGHTER, P.; WRIGHT, T.; HERBERT, Y. 50 Shades of Green: An Examination of Sustainability Policy on Canadian Campuses. Canadian Journal of Higher Education, [S. l.], v. 45, n. 4, p. 81–100, 2015. Disponível em: https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/184591. Acesso em: 4 may. 2026.