Akram, W., Z. Latif, N. Iqbal, and M. A. Tasneem. “ISOTOPIC INVESTIGATION OF GROUNDWATER RECHARGE MECHANISM IN THAL DOAB”. The Nucleus 51, no. 2 (April 22, 2014): 187–197. Accessed May 19, 2024. http://thenucleuspak.org.pk/index.php/Nucleus/article/view/703.