Hassan GZ, Hassan FR, Akhtar S. Environmental Issues and Concerns of Groundwater in Lahore: Environmental Issues and Concerns of Groundwater in Lahore. PPASB [Internet]. 2016 Sep. 17 [cited 2025 Dec. 5];53(3):163-78. Available from: http://mail.ppaspk.org/index.php/PPAS-B/article/view/334