P, D. I. P., G, S. I. and A. A, B. P. (2021) “ANALYSIS OF TOTAL FLAVONOID LEVELS OF ETHANOL EXTRACT (Cinnamon (Cinnamomum burmanii Blume) LEAVES WITH UV-VIS SPECTROPHOTOMETRY METHOD”, Jurnal Ilmu Pendidikan Indonesia, 9(3), pp. 115–120. doi: 10.31957/jipi.v9i3.1798.