“Petrography and Geochemistry of the Ghar-E-Hira, Makkah, Saudi Arabia”. Sindh University Research Journal - SURJ (Science Series) 48, no. 1 (March 17, 2016). Accessed November 5, 2026. https://sujo.usindh.edu.pk/index.php/SURJ/article/view/5038.