Phan, T. A. Đào, Nguyen, X. H., Nguyen, T. N., & Nguyễn Thị Thanh Mai. (2011). A study on scavenging dpph radical activity of medicinal plants from An Giang. Journal of Technical Education Science, 6(1), 8–14. Retrieved from https://www.jte.edu.vn/index.php/jte/article/view/748