Trung Thanh, P., T. Thi Hong Van, N. Nhu Ngoc, and V. Kim Dung. “OPTIMIZING THE EXTRACTION CONDITIONS AND ANTIBACTERIAL ACTIVITIES OF SAPONIN FROM Celastrus Hindsii Benth”. Journal of Forestry Science and Technology, no. 9, Sept. 2020, pp. 017-25, https://journal.vnuf.edu.vn/en/article/view/612.