Nguyen, Tuyet, Thu Nguyen, Hang Nguyen, Suong Nguyen, and Phung Nguyen. “OLEANANE SAPONINS FROM POLYSCIAS GUILFOYLEI BAIL. (ARALIACEAE)”. Science and Technology Development Journal 12, no. 10 (May 28, 2009): 21-28. Accessed May 4, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2295.