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. [Internet]. 2020 Dec. 24 [cited 2025 Jul. 12];21(2):232 – 246. Available from: https://pjaec.pk/index.php/pjaec/article/view/141