WARŻAŁA, R. Synchronisation of Regional Business Cycles of Eastern Polish Provinces with the National Cycle in the Context of Regional Economic Structures. Olsztyn Economic Journal, [S. l.], v. 10, n. 2, p. 157–171, 2015. DOI: 10.31648/oej.3144. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/3144. Acesso em: 25 may. 2024.