Aisyah, Siti Delta, and Khoirul Ngibad. “Determination of Flavonoid Content of Ethanol and Ethyl Acetate Extract from Purple Passion Fruit Peel”. Jurnal Pijar Mipa 17, no. 5 (September 30, 2022): 696–700. Accessed May 5, 2024. https://jurnalfkip.unram.ac.id/index.php/JPM/article/view/3463.