Malysheva, T. V., Ishmuradova, I. I., & Yarlychenko, A. A. (2020). Study of Trends in the Formation of Energy Intensity of Production and the Structure of "Energy Portfolio". International Journal of Energy Economics and Policy, 10(4), 36–42. Retrieved from https://www.econjournals.com/index.php/ijeep/article/view/9545