On the formal/substantive opposition: four interdisciplinary approaches on the same subject. EUNOMÍA. Revista en Cultura de la Legalidad, [S. l.], n. 18, p. 83–103, 2020. DOI: 10.20318/eunomia.2020.5265. Disponível em: https://e-revistas.uc3m.es/index.php/EUNOM/article/view/5265. Acesso em: 5 dec. 2025.