HARTMAN, Robert S. Lecture III: The Axiom of Value: What is Goodness?. Journal of Formal Axiology: Theory and Practice, [S. l.], v. 10, p. 19–28, 2017. DOI: 10.67945/jfa.v10i.151. Disponível em: https://journal.hartmaninstitute.org/index.php/jfa/article/view/151. Acesso em: 12 nov. 2026.