M. UDONGWO, PH.D, A. .; AKPAN, G. J. . THE CHEMISTRY OF SELECTED METALS AND NON-METALS. BW Academic Journal, [S. l.], v. 2, 2025. Disponível em: https://bwjournal.org/index.php/bsjournal/article/view/3559. Acesso em: 25 jun. 2026.