Ongarova Е. “Balance of Power in the Black Sea”. Bulletin of the L.N. Gumilyov Eurasian National University. Political Science. Regional Studies. Oriental Studies. Turkology Series. 138, no. 1 (March 30, 2022): 108–116. Accessed October 14, 2025. https://bulpolit.enu.kz/index.php/main/article/view/443.