“Physicochemical and Spectroscopic Elemental Analysis of Ground Water in Thickly Populated and Industrial Area of Quetta Valley Pakistan”, ANJS, vol. 22, no. 3, pp. 18–25, Sep. 2019, Accessed: May 04, 2024. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/2158