“PENETAPAN KADAR FLAVONOID EKSTRAK ETANOL KULIT BUAH JERUK GERGA LEBONG DENGAN METODE SPEKTROFOTOMETRI UV-VIS: DETERMINATION OF FLAVONOID LEVELS OF ETHANOL EXTRACT OF ORANGE SKIN OF GERGA LEBONG FRUIT WITH UV-VIS SPECTROPHOTOMETRY METHOD”. Jurnal Penelitian Farmasi Indonesia, vol. 11, no. 1, June 2022, pp. 20-23, doi:10.51887/jpfi.v11i1.1436.