CHAŁUPCZAK, H. Politological contexts of borderlands. Border and Regional Studies, [S. l.], v. 1, n. 1, p. 66–67, 2013. DOI: 10.25167/ppbs1066. Disponível em: https://czasopisma.uni.opole.pl/index.php/p/article/view/1066. Acesso em: 23 aug. 2025.