Inayat, A., Khan, S. R. and Hamid, A. (2007) “Hydrocarbon Composition of Crude Oils from the Oldest Formation of the Punjab, Pakistan”, Biological Sciences - PJSIR, 50(3), pp. 173–177. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/861 (Accessed: 15 May 2024).