Thi Viet Nga, Cao, Nguyen Thi Nhu Quynh, and Vu Quang Nam. “In Vitro Propagation of Paphiopedilum Helenea Aver”. Journal of Forestry Science and Technology 10, no. 1 (May 15, 2025): 003–010. Accessed January 27, 2026. https://journal.vnuf.edu.vn/en/article/view/1847.