Xuyen, Do Thi, and Do Van Hai. “One New Occurrence Species of the Genus Rungia Nees (Acanthaceae ) for the Flora of Vietnam”. Academia Journal of Biology 29, no. 2 (November 12, 2014): 60–62. Accessed April 20, 2024. https://vjs.ac.vn/index.php/vjbio/article/view/5374.