Lozynska , I.V., O.A. Skrypnyk, and D.M. Skrypnyk. 2019. “The Current State and Prerequisites for the Development of Renewable Energy in Ukraine”. Bulletin of Sumy National Agrarian University, no. 3(81) (September), 12-15. https://doi.org/10.32845/bsnau.2019.3.3.