Abdi ZO, Khan T, Khan MA, Abdullahi SS. Petrography and Geochemistry of Sandstone of the Kamlial Formation, Islamabad Expressway Section, Islamabad, Pakistan. jhes [Internet]. 2026Aug.9 [cited 2026Aug.12];. Available from: http://ojs.uop.edu.pk/jhes/article/view/2209