İskenderoğlu, Ömer, and S. Akdağ. “Comparison of Nuclear Energy and Renewable Energy Consumption in Terms of Energy Efficiency: An Analysis on The EU Members and Candidates”. International Journal of Energy Economics and Policy, vol. 9, no. 6, Oct. 2019, pp. 193-8, https://www.econjournals.com/index.php/ijeep/article/view/7866.