Determination of Acetylsalicylic Acid and Naproxen in Wasteand Tap Water of the Municipal Area of the Sukkur City BySPE-LC-MS MS. Pak. J. Anal. Environ. Chem. 2020, 21 (2), 232 – 246. https://doi.org/10.21743/pjaec/2020.12.25.