Dung, L. T., N. L. Hung Son, P. T. Cuong, and N. Q. Truong. “New Records of Snakes (Squamata: Serpentes) from Dien Dien Province”. Academia Journal of Biology, vol. 36, no. 4, May 2015, pp. 460-7, doi:10.15625/0866-7160/v36n4.6175.