Hai, Do Van, Duong Duc Huyen, and DENG YUN-FEI. 2012. “Isoglossa Collina (T. Anders.) B. Hansen (Acanthaceae) - a New Record for Flora of Vietnam”. Academia Journal of Biology 33 (2):51-53. https://doi.org/10.15625/0866-7160/v33n2.748.