RADOSAVLJEVIĆ, J. N. K. Manchev, Sŭrbiia i sŭrbsko-bŭlgarskite otnosheniia 1804–2010 . Balcanica - Annual of the Institute for Balkan Studies, [S. l.], n. XLVI, p. 410–413, 2023. Disponível em: https://balcanica.rs/index.php/journal/article/view/222. Acesso em: 18 jul. 2024.