An, Jaehyung, Fe Amor Parel Gudmundsson, Natalia Sokolinskaya, Sergey Prosekov, Artur Meynkhard, Auðunn Arnórsson, and Lernui Simonyan. 2020. “Efficiency of Renewable Energy Plants in Russia”. International Journal of Energy Economics and Policy 10 (2):81-88. https://econjournals.com./index.php/ijeep/article/view/8786.