Osmanovna, Khalova Gul’nar, Isayeva Elena Andreevna, Illeritskiy Nikita Igorevich, and Smirnova Vera Alekseevna. “Issues of Natural Gas Infrastructure Development in South-Eastern Europe”. International Journal of Energy Economics and Policy 9, no. 6 (October 4, 2019): 415–420. Accessed November 15, 2024. https://econjournals.com./index.php/ijeep/article/view/8548.