Tahir, Muhammad, Zia ur Rehman, and Farhan Javed. “Asymmetric Effects of Inflation Instability and GDP Growth Volatility on Environmental Quality in the USA”. Human Nature Journal of Social Sciences 3, no. 1 (March 16, 2022): 31–43. Accessed May 12, 2025. https://hnpublisher.com/ojs/index.php/HNJSS/article/view/273.