ZAZHIGAEV, Boris. THE GREATER BLACK SEA REGION— A GATEWAY TO EURASIA. CENTRAL ASIA AND THE CAUCASUS, Delhi, India, v. 12, n. 2, p. 98–108, 2011. Disponível em: https://ca-c.org/CAC/index.php/cac/article/view/1816.. Acesso em: 25 apr. 2025.