Rohmah, J. 2022. ANTIOXIDANT ACTIVITIES USING DPPH, FIC, FRAP, AND ABTS METHODS FROM ETHANOLIC EXTRACT OF LEMPUYANG GAJAH RHIZOME (Zingiber zerumbet (L.) Roscoeex Sm.). Jurnal Kimia Riset. 7, 2 (Dec. 2022), 152–166. DOI:https://doi.org/10.20473/jkr.v7i2.34493.