Tarigan, Dewi Br, Sovia Lenny, and Cut Fatimah Zuhra. 2024. “ANALYSIS OF TOTAL FLAVONOID CONTENT AND ANTIOXIDANT ACTIVITY ASSAY OF GUAVA VARIETY CRYSTAL (Psidium Guajava L.) LEAVES EXTRACT”. Jurnal Kimia Riset 9 (1):90-99. https://doi.org/10.20473/jkr.v9i1.57803.