Sukma, M., A. W. R. Akili, A. Hardianto, J. Latip, and T. Herlina. “Ultrasound-Assisted Extraction of Flavonoids from Erythrina Crista-Galli Twigs Using Natural Deep Eutectic Solvents: Process Optimization and Antioxidant Evaluation”. Trends in Sciences, vol. 22, no. 12, Sept. 2025, p. 11099, doi:10.48048/tis.2025.11099.