Sajid, M., Arif, M. and Muhammad, N. (2009) “Petrographic characteristics and mechanical properties of rocks from Khagram-Razagram area, Lower Dir, NWFP, Pakistan ”, Journal of Himalayan Earth Sciences, 42(1), pp. 25-36. Available at: http://ojs.uop.edu.pk/jhes/article/view/1627 (Accessed: 4January2025).