Battle For Środkowopomorskie Voivodeship – Yesterday And Today. Research Bulletins of the Faculty of Economic Sciences, [S. l.], v. 2, n. 20, p. 143–159, 2017. Disponível em: https://ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/44. Acesso em: 19 jul. 2025.