Hussain, Rahib, Liaqat Ali, Ijaz Hussain, and Seema A. Khattak. 2014. “Source Identification and Assessment of Physico-Chemical Parameters and Heavy Metals in Drinking Water of Islampur Area, Swat, Pakistan”. Journal of Himalayan Earth Sciences 47 (1):99-106. http://ojs.uop.edu.pk/jhes/article/view/1686.