Ananda, A. F. ., T. . Wirawan, and N. T. . Widodo. “Synthesis and Characterization of Fe3O4-Activated Charcoal Composite of Ihau Fruit Peel (Dimocarpus Longan Var. Malesianus Leenh.) As Methylene Blue Adsorbent”. Acta Chimica Asiana, vol. 8, no. 2, Nov. 2025, pp. 662-71, doi:10.29303/aca.v8i2.253.