Jasmin, Faida, Andi Ika Julianti Handayani, and Tubagus Akmal. “Optimization of Extraction Parameters for Phenolics and Flavonoids from Peony (Paeonia Lactiflora) Flowers Using Ultrasound-Assisted Extraction”. Hydrogen: Jurnal Kependidikan Kimia 13, no. 1 (February 28, 2025): 1–11. Accessed August 16, 2025. https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/14346.