Utami, R. et al. 2017. Determination of berberine content of ethanol extract of root and stem of “sekunyit” (Fibraurea tinctoria Lour) using high performance liquid chromatography (HPLC) method. Jurnal Sains Farmasi & Klinis. 3, 2 (May 2017), 115–119. DOI:https://doi.org/10.29208/jsfk.2017.3.2.84.