DRUZHININ, A. G. The Black Sea Region in Modern Russian-Turkish Cooperation: Geo-Strategic Aspect. International Journal of Economics and Financial Issues, [S. l.], v. 5, n. 2S, p. 81–84, 2015. Disponível em: https://econjournals.com/index.php/ijefi/article/view/1583. Acesso em: 16 may. 2022.