DROZDOWSKI, Mariusz R. Ruthenia – Ukraine, Belarus in the First Polish Republic. Poznańskie Studia Slawistyczne, [S. l.], n. 16, p. 341–355, 2019. DOI: 10.14746/pss.2019.16.20. Disponível em: https://pressto.amu.edu.pl/index.php/pss/article/view/19561. Acesso em: 26 apr. 2024.