Ozkan, Turgut, Gozde Yanginlar, and Salih Kalayci. “Testing the Transportation-Induced Environmental Kuznets Curve Hypothesis: Evidence from Eight Developed and Developing Countries”. International Journal of Energy Economics and Policy 9, no. 1 (December 7, 2018): 174–183. Accessed April 25, 2024. https://www.econjournals.com/index.php/ijeep/article/view/7330.