Determination of Acetylsalicylic acid and Naproxen in wasteand Tap Water of the Municipal Area of the Sukkur City bySPE-LC-MS/MS (Waheed Ali Mirbahar, Mir Munsif Ali Talpur, Tajnees Pirzada, & Syed Ghulam Musharraf , Trans.). (2020). Pakistan Journal of Analytical & Environmental Chemistry, 21(2), 232 – 246. https://doi.org/10.21743/pjaec/2020.12.25