Noorzai Safiullah, Bilalzai Haseebullah, Safi Riaz ul Haq, and Zahidullah Hemat. “Mineralogical Investigation of Chumbalak Pegmatites in Eastern Afghanistan Kunar Province Chapadara”. Journal of Mechanical, Civil and Industrial Engineering 7, no. 4 (June 10, 2026): 13–22. Accessed June 11, 2026. https://al-kindipublishers.org/index.php/jmcie/article/view/12880.