OSER, Fritz. Futuras perspectivas de la educación moral. Iberoamerican Journal of Education, [S. l.], v. 8, p. 9–39, 1995. DOI: 10.35362/rie801186. Disponível em: https://rieoei.org/RIE/article/view/1186. Acesso em: 11 nov. 2026.