Keiko, Alexander, Fedor Veselov, and Andrey Solyanik. “Decarbonization Options in the Russian Energy Sector: A Comparative Study on Their Economic Efficiency”. International Journal of Energy Economics and Policy 12, no. 4 (July 19, 2022): 368–378. Accessed May 3, 2024. https://econjournals.com/index.php/ijeep/article/view/13100.