Ahmad W, Khan MJ. Petrography of The Upper Litra and Chaudhwan Formations, Upper Siwalik Group, Zinda Pir Anticline, Northern Sulaiman Range. jhes [Internet]. 1991Nov.30 [cited 2025Jan.4];24(1):191-202. Available from: http://ojs.uop.edu.pk/jhes/article/view/1402