Truong Luu, Hong, Van Son Le, and Phi Nga Nguyen. “\(\textit{Ceropegia Vietnamensis }\) (Asclepiadoideae, Apocynaceae), a New Species from Vietnam”. <i>Academia Journal of Biology</i> 44, no. 4 (December 28, 2022): 19–26. Accessed January 2, 2026. https://vjs.ac.vn/vjbio/article/view/17594.