TODOROV, V. Social Aspect of Development of the Bulgarian Ethnogeographic System of the Ukrainian Danube. Journal of Danubian Studies and Research, [S. l.], v. 13, n. 2, p. 188–200, 2023. Disponível em: https://www.dj.univ-danubius.ro/index.php/JDSR/article/view/2522. Acesso em: 16 dec. 2025.