Ahmed, Z., M. T. . Ansari, M. Zahir, U. Shakir, and M. Subhan. “Hydrogeophysical Investigation for Groundwater Potential through Electrical Resistivity Survey in Islamabad, Pakistan”. Journal of Geography and Social Sciences (JGSS), vol. 2, no. 2, Dec. 2020, pp. 147-63, http://jgssjournal.uob.edu.pk/journal/index.php/jgss/article/view/16.