Ullah, Saif, Saif ur Rahman, and Chaudhary Abdul Rehman. “Public Investment, Technological Innovations, and Environmental Degradation: Asymmetric ARDL Approach”. Pakistan Journal of Humanities and Social Sciences 11, no. 2 (April 12, 2023): 730–741. Accessed December 23, 2024. https://internationalrasd.org/journals/index.php/pjhss/article/view/1137.