Ilimu, Edi, Alimuddin, and Sarniah. “Optimization of Adsorbent Combinated Performance in Reducing Metal (Fe and Ni) in Water”. Jurnal Ilmiah Kanderang Tingang 14, no. 1 (June 8, 2023): 235-243. Accessed August 26, 2025. https://www.chem-upr.education/ojs/index.php/JIKT/article/view/220.