Nguyen, Mai, Hai Nguyen, Nhan Nguyen, and Mai Nguyen. “Total Polyphenol Contents of An Giang Medicinal Plants”. Science and Technology Development Journal 17, no. 2 (June 30, 2014): 5-9. Accessed November 23, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1309.