Nguyen, T., Nguyen, T., Nguyen, H., Nguyen, S. and Nguyen, P. (2009) “OLEANANE SAPONINS FROM POLYSCIAS GUILFOYLEI BAIL. (ARALIACEAE)”, VNUHCM Journal of Science and Technology Development, 12(10), pp. 21-28. doi: https://doi.org/10.32508/stdj.v12i10.2295.