Khoiroh, L. M. (2025) “Adsorptive Performance of Gelatin-Hematite Composite Synthesized from Iron Lathe Waste Using Guava Leaf Extract for Pb(II) Removal from Aqueous Solutions”, al Kimiya: Jurnal Ilmu Kimia dan Terapan, 12(1), pp. 26–34. doi: 10.15575/ak.v12i1.40817.