S. Elyas Alqahawage, Nazar, نزار, AAlaa W. Mahdi Al-Neama, and علاء. 2025. “Air Pollution and Economic Development, a Tested an Environmental Kuznets Curve Hypothesis for Some Countries, With a Special Mentioned to Iraq for the Period (1990-2020)”. Regional Studies Journal (RSJ) 18 (61):289-322. https://doi.org/10.33899/regs.2024.150524.1208.