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Sinta Nuraesa, Susanti Susanti and Ali Nofriyaldi 2024. Antioxidant Activity of Lip Balm Ethanol Extract Keji Beling Leaves (Strobilanthes crispus Blume) using The DPPH (2,2-diphenyl-1-picryhydrazyl) Method. Berkala Ilmiah Kimia Farmasi. 11, 2 (Jun. 2024), 49–55. DOI:https://doi.org/10.20473/bikfar.v11i2.62646.