Nasution, S.L.R., Ginting, C.N. and Lister, I.N.E. 2022. Determination of Total Flavonoid Level and Antioxidant Activity of Ethyl Acetate Fraction of Mangkokan Leaf Extract (Nothopanax scutellarium [Burm.f] Merr.). Open Access Macedonian Journal of Medical Sciences. 10, A (Jun. 2022), 1001–1005. DOI:https://doi.org/10.3889/oamjms.2022.8131.