AL-YOUZBAKEY, K.; AL-DABBAGH, S. The Chemical Formula of Francolite in the Phosphorite of Akashat Formation from X-Ray Diffraction Analysis. Iraqi National Journal of Earth Science (INJES), [S. l.], v. 18, n. 2, p. 61–88, 2018. DOI: 10.33899/earth.2018.159265. Disponível em: https://ojs.uomosul.edu.iq/index.php/injes/article/view/40850. Acesso em: 2 sep. 2025.