2019. Phytochemical Assay and Antioxidant Activity against DPPH of Ethanol Extract from Kenaf Leaf (Hibiscus cannabinus L.). Journal of Tropical Pharmacy and Chemistry . 4, 5 (Jun. 2019), 203–208. DOI:https://doi.org/10.30872/j.trop.pharm.chem.v4i5.273.