MARTYNIOUK, A. GERMAN CRUSADERS IN A BATTLE FOR POLOTSK IN 1381. Vestnik of Polotsk State University. Part A. Humanities, [S. l.], n. 2, p. 36-43, 2023. DOI: 10.52928/2070-1608-2023-67-2-36-43. Disponível em: https://journals.psu.by/humanities/article/view/4087. Acesso em: 8 nov. 2026.