Phan, T. A. Đào, X. H. Nguyen, T. N. Nguyen, and Nguyễn Thị Thanh Mai. “A Study on Scavenging Dpph Radical Activity of Medicinal Plants from An Giang”. Journal of Technical Education Science, vol. 6, no. 1, Mar. 2011, pp. 8-14, https://www.jte.edu.vn/index.php/jte/article/view/748.