Khan, Muhammad Attaullah. “Petrography and Sedimentology of the Ghundai Sar Reef Complex, Jamrud; Khyber Agency; Pakistan”. Journal of Himalayan Earth Sciences 12, no. 2 (August 30, 1979): 32-40. Accessed November 28, 2024. http://ojs.uop.edu.pk/jhes/article/view/1146.