ŚLEBZAK, K. The constitutional bases of social insurance law. The Opole Studies in Administration and Law, [S. l.], v. 16, n. 3, p. 7–20, 2019. DOI: 10.25167/osap.1192. Disponível em: https://czasopisma.uni.opole.pl/index.php/osap/article/view/1192. Acesso em: 6 nov. 2024.