PERTIWI, R. D.; SUWALDI; MARTIEN, R.; SETYOWATI, E. P. Radical Scavenging Activity and Quercetin Content of Muntingia calabura L. Leaves Extracted by Various Ethanol Concentration. Journal of Food and Pharmaceutical Sciences, v. 8, n. 1, p. 173-183, 2 Feb. 2020.