PEtROGRAPHIC AND GEOCHEMICAL STUOIES OF SOME PHOSPHORITE ’- DEPOSITS OF HAZARA, PAKISTAN. Biological Sciences - PJSIR, [S. l.], v. 37, n. 6-7, p. 245–251, 2022. Disponível em: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/2675. Acesso em: 10 mar. 2026.