RUBISZ, L. Regional studies and political science. The theory of the dual unity of Silesia. Border and Regional Studies, [S. l.], v. 9, n. 4, p. 199–222, 2021. DOI: 10.25167/brs4601. Disponível em: https://czasopisma.uni.opole.pl/index.php/p/article/view/4601. Acesso em: 2 nov. 2024.