Bakulina, Anna A., Olga V. Panina, Stanislav E. Prokofiev, Natalia L. Krasyukova, Valery L. Abramov, Natalia V. Sergeeva, Olga V. Loseva, Tatiana G. Kasyanenko, and Elena V. Takmakova. 2021. “The Black Sea Region Energy Cooperation: Current Trends and Prospects”. International Journal of Energy Economics and Policy 11 (4):257-66. https://mail.econjournals.com/index.php/ijeep/article/view/11247.