LEVYK, B. Concept of Balto-Black Sea Union and Post-Soviet Territory. Skhid, [S. l.], n. 5(131), 2014. DOI: 10.21847/1728-9343.2014.5(131).29428. Disponível em: http://skhid.kubg.edu.ua/article/view/29428. Acesso em: 2 feb. 2023.