An, J., Gudmundsson, F. A. P., Sokolinskaya, N., Prosekov, S., Meynkhard, A., Arnórsson, A., & Simonyan, L. (2020). Efficiency of Renewable Energy Plants in Russia. International Journal of Energy Economics and Policy, 10(2), 81–88. Retrieved from https://econjournals.com./index.php/ijeep/article/view/8786