GC/MS Based Non-target Screening of Organic Contaminants in River Indus and its Tributaries in Sindh (Pakistan) (Huma Shaikh, Najma Memon, M. I. Bhanger, & S. M. Nizamani, Trans.). (2014). Pakistan Journal of Analytical & Environmental Chemistry, 15(1), 42-65. https://doi.org/10.21743/