OKPALA-CHINONSO, A. N.; MORONKOLA, B. A.; ALEGBE, M. J. Synthesis and Characterization of Composite Copper – Iron Nanoparticles from Copper Tailings using Sodium Borohydride as Reductant. European Journal of Applied Sciences, [S. l.], v. 14, n. 03, p. 390–408, 2026. DOI: 10.14738/ejas.1403.8934. Disponível em: https://scholarpublishing.org/journals/index.php/EJAS/article/view/8934. Acesso em: 24 jul. 2026.