David, P., Vogel, G., & Pauwels, O. S. G. (2008). A new species of the genus Oligodon Fitzinger, 1826 (Squamata: Colubridae) from southern Vietnam and Cambodia. Zootaxa, 1939(1), 19–37. https://doi.org/10.11646/zootaxa.1939.1.3