Shah, Mohammad Tahir, Ihtisham-Ul-Haq, and Syed Hamidullah. “Geology and Geochemistry of the Rocks of Ushiri Valley, District Dir, Northern Pakistan”. Journal of Himalayan Earth Sciences 33, no. 1 (November 30, 2000): 53-78. Accessed January 4, 2025. http://ojs.uop.edu.pk/jhes/article/view/1530.