KAZAKOU, Aliaksandr U. Curta F. Eastern Europe in the Middle Ages (500–1300). Journal of the Belarusian State University. History, [S. l.], n. 1, p. 99–100, 2021. Disponível em: https://journals.bsu.by/index.php/history/article/view/3051. Acesso em: 18 jul. 2026.