O'BRIEN, Catherine. Happiness and Sustainability Together at Last! Sustainable Happiness. Canadian Journal of Education/Revue canadienne de l’éducation, [S. l.], v. 36, n. 4, p. 228, 2014. Disponível em: https://www.cje-rce.ca/index.php/cje-rce/article/view/1185. Acesso em: 4 may. 2026.