OCIEPA, Marcin. The Specifity of the Local Government Elections in the Opolskie Province in 2018. Political Preferences, [S. l.], n. 26, p. 5–26, 2020. DOI: 10.31261/polpre.2020.26.5-26. Disponível em: https://trrest.vot.pl/ojsus/index.php/PP/article/view/8639. Acesso em: 7 may. 2025.