Aslam, M., Aslam, U., Aslam, H.M.Z., Ashraf, M. and Shahzad, A. 2026. Optimization model for transmission and distribution a natural gas: A case study of the gas pipeline network system. Journal of the Pakistan Institute of Chemical Engineers. 54, 1 (Jun. 2026). DOI:https://doi.org/10.54693/piche.05414.