Shinkevich, Alexey I., Yuri Yu. Kostyukhin, Diana Yu. Savon, Andrey E. Safronov, and Alexander V. Aleksakhin. 2021. “Optimization of Energy-Efficient Functioning of the Oil and Gas Sector of the Economy through Digitalization and Resource Conservation”. International Journal of Energy Economics and Policy 11 (5):321-30. https://econjournals.com./index.php/ijeep/article/view/11695.