Afrasiab, N.- ur-. Rehman, A. H. Shah, A. . Rehman, S. A. . Anees, S. . Rehan, K. . Mehmood, and I. . Zaman. “Petrographic Analysis and Physico-Mechanical Properties of Nikanai Ghar Formation, Swabi, North-Western Pakistan”. Journal of Himalayan Earth Sciences, vol. 57, no. 2, Nov. 2024, pp. 94-113, http://ojs.uop.edu.pk/jhes/article/view/1368.