Nguyen, Hien, Tran Huong, Do Minh, Ha Loan, and Tri Le. 2021. “Application of Response Surface Methodology to Optimize the Ultrasound-Assisted Flavonoid-Rich Extraction of Fish Mint (Houttuynia Cordata Thunb.)”. Science and Technology Development Journal 24 (3), 1994-2003. https://doi.org/https://doi.org/10.32508/stdj.v24i3.2535.