Ullah, Sana, M. Waqas Javed, Muhammad Shafique, and Shah Faisal Khan. “An Integrated Approach for Quality Assessment of Drinking Water Using GIS: A Case Study of Lower Dir”. Journal of Himalayan Earth Sciences 47, no. 2 (November 30, 2014): 163-174. Accessed January 4, 2025. http://ojs.uop.edu.pk/jhes/article/view/1698.