Haponenko, Hanna, and Diana Kylikovska. “Perspectives of the Convergence of Domestic and European Energy Markets in the Context of Ukraine`is European Integration”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism0, no. 9 (October 7, 2019): 11-17. Accessed November 21, 2024. https://periodicals.karazin.ua/irtb/article/view/14445.