[1]
“Utilization of Riau Peat-Derived Humic Acid Modified with Urea-Formaldehyde for Ni(II) Adsorption: A Geochemical Approach”, JTRSS, vol. 14, no. 3, pp. 800–810, Sep. 2026, doi: 10.47253/jtrss.v14i3.2534.