Utami, Rahayu, Armon Fernando, Indah Puspita Sari, and Mustika Furi. “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, no. 2 (May 29, 2017): 115–119. Accessed February 28, 2026. https://jsfk.ffarmasi.unand.ac.id/index.php/jsfk/article/view/84.