Hoi, Tran Minh, and Vu Xuan Phuong. “Plant Diversity of the Xuan Son National Park (Phu Tho Province)”. Academia Journal of Biology 28, no. 4 (November 12, 2014): 28–36. Accessed May 1, 2024. https://vjs.ac.vn/index.php/vjbio/article/view/5338.