MAREK, M. . The Protection of the Northern Borders of the Kingdom of Hungary (Slovakia) with Poland in the Middle Ages. Res Gestae, [S. l.], v. 11, p. 44–67, 2020. DOI: 10.24917/24504475.11.3. Disponível em: https://resgestae.uken.krakow.pl/article/view/7546. Acesso em: 19 kwi. 2024.