Bakhtiari, Asal Eghbal, Adnan Khan, Zubaid Saeed, and Ayesha Kanwal. “Groundwater Quality Determination for Drinking Purpose by Using Water Quality Index Technique: A Case Study of Gadap Town, Karachi, Pakistan”. Asian Review of Environmental and Earth Sciences 6, no. 1 (December 30, 2019): 70–77. Accessed May 4, 2024. http://www.asianonlinejournals.com/index.php/AREES/article/view/1191.