RYSZKA, J. The principle of proportionality as an objective justification for restrictions on the free movement of persons in the European Union. The Opole Studies in Administration and Law, [S. l.], v. 14, n. 4 (1), p. 55–73, 2016. DOI: 10.25167/osap.1320. Disponível em: https://czasopisma.uni.opole.pl/index.php/osap/article/view/1320. Acesso em: 2 nov. 2024.