Kim Qui, Tran, Tran Le Quan, and Nguyen Trung Nhan. “QUERCETIN FROM Sophora Japonica L. FLOWERS AND ITS ANTIPROLIFERATIVE ACTIVITY”. Science and Technology Development Journal 6, no. 7&8 (August 31, 2003): 81-84. Accessed April 4, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3347.