THE IMPACT OF KOSZALIN AND SŁUPSK ON THE SOCIO-ECONOMIC DEVELOPMENT LEVEL OF MIDDLE POMERANIA COMMUNES. Research Bulletins of the Faculty of Economic Sciences, [S. l.], v. 1, n. 21, p. 159–177, 2018. Disponível em: https://ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/92.. Acesso em: 3 jul. 2024.