RADEK, R. Representation of interests of the region on the example of the Union of the Baltic Cities. Border and Regional Studies, [S. l.], v. 4, n. 1, p. 75–92, 2016. DOI: 10.25167/ppbs480. Disponível em: https://czasopisma.uni.opole.pl/index.php/p/article/view/480. Acesso em: 19 aug. 2025.