Sumontha, M., K. Kunya, S. Dangsri, and O. S. G. Pauwels. “Oligodon saiyok, a New Limestone-Dwelling Kukri Snake (Serpentes: Colubridae) from Kanchanaburi Province, Western Thailand”. Zootaxa, vol. 4294, no. 3, July 2017, pp. 316–328, doi:10.11646/zootaxa.4294.3.2.