BORISOVA, V.; BILCZAK, M. Methodological Aspects of the Typology of Regions and Territorial Formations. Olsztyn Economic Journal, [S. l.], v. 15, n. 3, p. 229–238, 2020. DOI: 10.31648/oej.6540. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/6540. Acesso em: 28 mar. 2024.