Bese, Emrah, and Haven Swint Friday. “Analysis of Coal Consumption and Growth Nexus by Environmental Kuznets Curve”. International Journal of Energy Economics and Policy 11, no. 3 (April 10, 2021): 80–86. Accessed March 29, 2024. https://www.econjournals.com/index.php/ijeep/article/view/10873.