The Middle Pomerania – marginalized region by present administrative division. Research Bulletins of the Faculty of Economic Sciences, [S. l.], v. 2, n. 20, p. 39–56, 2017. Disponível em: https://ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/36. Acesso em: 15 sep. 2025.