Sudarma, A. F., Hartulistiyoso, E., Purwanto, Y. A., Nelwan, L. O., Farobie, O., Hendri, … Majlan, E. H. (2026). Demineralization of Silica-Rich Agar Processing Residues via Hydrofluoric Acid Leaching for Organic Fraction Enrichment. International Journal of Innovation in Mechanical Engineering and Advanced Materials, 8(2), 130–143. https://doi.org/10.22441/ijimeam.v8i2.38546