Hasanah, N., Yuniart, R., Nasution, H.M. and Rahayu, Y.P. 2023. Antioxidant activity of citrus leaf ethanol extract (Citrus nobilis L.) using the DPPH method (1,1-Diphenyl-2-Picrylhydrazyl). Journal of Pharmaceutical and Sciences. 6, 3 (Aug. 2023), 1416–1424. DOI:https://doi.org/10.36490/journal-jps.com.v6i3.204.