Hari Purwani, A.I., Primaharinastiti, R. and Yuwono, M. 2022. HPLC Method Optimization for Simultaneous Determination of Quercetin, Luteolin, Sinensetin, and Stigmasterol in Herbal Medicines. JURNAL FARMASI DAN ILMU KEFARMASIAN INDONESIA. 9, 1 (Apr. 2022), 62–68. DOI:https://doi.org/10.20473/jfiki.v9i12022.62-68.