Fitriyana, Liya, and Rita Sunartaty. “Utilization of Calophyllum Inophyllum L. (Nyamplung) from Aceh As an Antioxidant Compound in Transparent Solid Soap”. Jurnal Penelitian Pendidikan IPA, vol. 11, no. 10, Oct. 2025, pp. 70-78, doi:10.29303/jppipa.v11i10.12824.