“PETROMINERALOGICAL AND GEOCHEMICAL STUDIES OF HAVELIAN BARITE, HAZARA, NWFP, PAKISTAN” (2022) Biological Sciences - PJSIR, 37(10), pp. 414–420. Available at: https://www.biostaging.pjsir.org/index.php/biological-sciences/article/view/2733 (Accessed: 21 March 2026).