Fukuta, T., Ito, T., Sawada, K., Kojima, Y., Bernardo, E. C., Matsuda, H. dan Yagishita, K. (2004) “Separation of Nickel fom Plating Solution by Sulfuration Treatment”, 4(2), hlm. 24-31. Tersedia pada: https://journal.ugm.ac.id/v3/AJChE/article/view/7620 (Diakses: 8Juni2025).