KHAN, H., HUSAIN, . V., QURESHI, . K. ., & PASHA, . . K. . (2022). PETROMINERALOGICAL AND GEOCHEMICAL STUDIES OF HAVELIAN BARITE, HAZARA, NWFP, PAKISTAN. Biological Sciences - PJSIR, 37(10), 414–420. Retrieved from https://v2.pjsir.org/index.php/biological-sciences/article/view/2733