Kuncoro, H., Farabi, K., Rijai, L., Julaeha, E., Supratman, U. and Shiono, Y. 2018. Flavonoid Compounds from the Herb of Krokot (Lygodium microphyllum) and their antioxidant activity against DPPH. Journal of Mathematical and Fundamental Sciences. 50, 2 (Aug. 2018), 192-202. DOI:https://doi.org/10.5614/j.math.fund.sci.2018.50.2.7.