GAJDA, Anastazja. The internal security policy of the European Union. Public Policy Studies, [S. l.], v. 2, n. 3(7), p. 33–61, 2015. DOI: 10.33119/KSzPP.2015.3.2. Disponível em: https://econjournals.sgh.waw.pl/KSzPP/article/view/634. Acesso em: 22 jul. 2024.