Budiyanto, Ratno, Ach. Kholis, and Taufiqurrahman Taufiqurrahman. “Screening Flavonoids of Ethyl Acetate Extract from Matoa Tree Bark (Pometia Pinnata) Using UV-Vis Spectrophotometry Method”. Jurnal Pijar Mipa 20, no. 7 (November 25, 2025): 1219–1224. Accessed November 27, 2025. https://jurnalfkip.unram.ac.id/index.php/JPM/article/view/10099.