Fazal Karim, Hina Qamar, and Ihsan Ullah. “Nonlinear Relationship Between Income and Pollution: Evidence from the Environmental Kuznets Curve in East Asia & Pacific Countries”. `, vol. 5, no. 01, Feb. 2026, pp. 715-29, https://www.assajournal.com/index.php/36/article/view/1362.