Strielkowski, Wadim, Å tÄ›pán KrÅ¡ka, and Evgeny Lisin. “Energy Economics and Policy of Renewable Energy Sources in the European Union”. International Journal of Energy Economics and Policy 3, no. 4 (July 29, 2013): 333–340. Accessed November 22, 2024. https://econjournals.com./index.php/ijeep/article/view/528.