Right, Duty, and Obligation/Responsibility: A Search for Ethical Fundamentals. Fourth World Journal, [S. l.], v. 9, n. 1, p. 61–73, 2010. DOI: 10.63428/bwpz9394. Disponível em: https://fwj.cwis.org/index.php/fwj/article/view/305. Acesso em: 15 aug. 2025.