BALAWAJDER, G. External borders of the European Union and the national security of Member States in the context of contemporary migration crisis. Border and Regional Studies, [S. l.], v. 5, n. 3, p. 201–223, 2017. DOI: 10.25167/ppbs384. Disponível em: https://czasopisma.uni.opole.pl/index.php/p/article/view/384. Acesso em: 2 nov. 2024.