Shcherbakova, Natalya S., Yulia A. Nazarova, Olga S. Kirichenko, Oleg A. Gorunov, and Andrey V. Dubrovsky. 2020. “Evaluation of Gas Industry Competitiveness in the Foreign Market”. International Journal of Energy Economics and Policy 10 (6):272-79. https://econjournals.com.tr/index.php/ijeep/article/view/10275.