Vo, Hoa, Ngoc Pham, An Tran, Truc Pham, Nhu Tran, Tam Phan, Hung Le, and Trung Phung. “Isolation, Characterization, and Simultaneous Quantification of Main Chemical Constituents from Cassia Alata Linn. Leaves”. Science and Technology Development Journal 24, no. 4 (December 31, 2021): 2187-2192. Accessed January 27, 2022. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3822.