FIEDOROWICZ, Kazimierz. Struktury terytorialne Polski i Ukrainy: Territorial structure of Polish and Ukrainian. Management and Administration Journal, [S. l.], v. 28, n. 101, p. 75–84, 2021. Disponível em: https://czasopisma.uws.edu.pl/znadministracja/article/view/2262. Acesso em: 5 oct. 2024.