Nadeem Iqbal, Qaiser Abbas, Mukhtiar Ali Erri and Dr. Shams ur Rehman 2021. Revisiting Energy and Governmental Funds Allocation in Pakistan: A Novel Zero-Sum Gain DEA Approach. Journal of Business & Tourism. 6, 1 (Nov. 2021), 57–69. DOI:https://doi.org/10.34260/jbt.v6i1.181.