KALIĆ, J. Information about Belgrade in Constantine VII Porphyrogenitus. Balcanica - Annual of the Institute for Balkan Studies, [S. l.], n. L, p. 33–38, 2023. DOI: 10.2298/BALC1950033K. Disponível em: https://balcanica.rs/index.php/journal/article/view/68. Acesso em: 18 jul. 2024.