Shah, Irfan, Tazeem Khan, Muhammad Hanif, Ajmina Shah, Samina Siddiqui, and Seema Anjum Khattak. “Environmental Aspects of Selected Heavy and Trace Elements of Cherat Coal Deposits”. Journal of Himalayan Earth Sciences 49, no. 1 (March 31, 2016): 77-85. Accessed June 2, 2025. http://ojs.uop.edu.pk/jhes/article/view/1931.