IFTIMIE, E. HIERARCHY OF DERIVED LEGAL RULES OF EU. European Journal of Law and Public Administration, [S. l.], v. 2, n. 2, p. 15-29, 2015. DOI: 10.18662/eljpa/2015.0202.02. Disponível em: https://www.lumenpublishing.com/journals/index.php/ejlpa/article/view/104. Acesso em: 9 nov. 2026.