Sang, N. V., N. X. Dang, and N. Q. Truong. “Diversity of the Herpotofauna of in Xuan Nha Nature Reserve, Son La Province, Northern Vietnam”. Academia Journal of Biology, vol. 32, no. 4, May 2012, pp. 54-61, doi:10.15625/0866-7160/v32n4.721.