Phuong, Vu Xuan. “Gyrocheilos W. T. Wang (Gesneriaceae) a New Genus for the Flora of Vietnam”. Academia Journal of Biology 30, no. 1 (November 12, 2014): 42–44. Accessed May 2, 2024. https://vjs.ac.vn/index.php/vjbio/article/view/5410.