HUSAIN, VIQAR, HAMEEDULLAH KHAN, MUMTAZ HUSAIN, and RUBINA BILQEES. “?COMPOSITION, ORIGIN AND ECONOMIC POTENTIAL OF KAKUL, LAGARBAN AND TARNAWAI PHOSPHORITE DEPOSITS OF HAZARA, PAKISTAN*”. Biological Sciences - PJSIR 40, no. 1-4 (April 21, 1997): 6–11. Accessed July 22, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/2311.