The Conditions of the Socio-Economic Development of the Main Regions in Poland. Comparative Analysis. Research Bulletins of the Faculty of Economic Sciences, [S. l.], v. 1, n. 22, p. 259–286, 2018. Disponível em: https://ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/110. Acesso em: 19 jul. 2025.