Bese, Emrah, and Salih Kalayci. “Testing the Environmental Kuznets Curve Hypothesis: Evidence from Egypt, Kenya and Turkey”. International Journal of Energy Economics and Policy 9, no. 6 (October 4, 2019): 479–491. Accessed March 4, 2024. https://www.econjournals.com/index.php/ijeep/article/view/8638.