Do Mai Nguyen Phuong, Hoang Thi Truc Quynh, Le Thi Hong Anh. INVESTIGATION OF SOME FACTORS AFFECTING THE EXTRACTION OF POLYPHENOL AND FLAVONOID COMPOUNDS FROM Ruellia tuberosa L. HUIT_OJS [Internet]. 2026 Feb. 28 [cited 2026 Jun. 19];26(1):25-36. Available from: https://ojs.huit.edu.vn/index.php/dai-hoc-cong-thuong/article/view/382