Hassan, Ghulam Zakir, Faiz Raza Hassan, and Saleem Akhtar. 2016. “Environmental Issues and Concerns of Groundwater in Lahore: Environmental Issues and Concerns of Groundwater in Lahore”. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences 53 (3):163-78. https://ppaspk.org/index.php/PPAS-B/article/view/334.