Tarigan, D.B., Lenny, S. and Zuhra, C.F. 2024. ANALYSIS OF TOTAL FLAVONOID CONTENT AND ANTIOXIDANT ACTIVITY ASSAY OF GUAVA VARIETY CRYSTAL (Psidium guajava L.) LEAVES EXTRACT. Jurnal Kimia Riset. 9, 1 (Jun. 2024), 90–99. DOI:https://doi.org/10.20473/jkr.v9i1.57803.