Nazir, Sidra, Nasir Mahmood, and Gulnaz Hameed. “Energy Substitution Effect in Major Energy Consumption Sectors of Pakistan: Translog Cost Function”. Review of Economics and Development Studies 8, no. 2 (June 30, 2022): 167-181. Accessed November 26, 2022. http://reads.spcrd.org/index.php/reads/article/view/448.