Nezhnikova, Ekaterina V., Irina V. Okhremenko, and Oksana V. Papelniuk. 2018. “Investigation of the Features of Investment in the Development of Renewable Energy Sources: Main Consumers, Legal Regulation, Equipment, Rates and Delivery”. International Journal of Energy Economics and Policy 8 (4):178-86. https://econjournals.com./index.php/ijeep/article/view/6710.