BURKINSKYI, Boris; STEPANOVA, Kateryna. National maritime interests of Ukraine in the Black Sea-Azov Basin. Economics Ecology Socium, [S. l.], v. 1, n. 1, p. 12–23, 2017. Disponível em: https://ees-journal.com/index.php/journal/article/view/37. Acesso em: 7 aug. 2026.