MEFFORD, David. Formal Axiology, Philosophy or Science?. Journal of Formal Axiology: Theory and Practice, [S. l.], v. 2, p. 111–130, 2009. DOI: 10.67945/jfa.v2i.21. Disponível em: https://journal.hartmaninstitute.org/index.php/jfa/article/view/21. Acesso em: 12 nov. 2026.