Determination of Alumina Oxide in Bauxites by X-ray Fluorescence Analysis. Global Journal of Science Frontier Research, [S. l.], v. 12, n. B3, p. 1–6, 2012. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/417. Acesso em: 13 aug. 2026.