Quynh Nhu, Vo Thi, Tran Thi Phuong Thao, Tran Van Sung, and Tran Van Loc. “Screening for the Main Triterpenic Acids in Centella Asiatica Samples from North and South of Vietnam”. Vietnam Journal of Chemistry 54, no. 4 (August 25, 2016): 416. Accessed December 21, 2024. https://vjs.ac.vn/index.php/vjchem/article/view/0866-7144.2016-00338.