Thummajitsakul, S., Silprasit, K., Klinbunga, S., Sittipraneed, S. The partial mitochondrial sequence of the Old World stingless bee, Tetragonula pagdeni. Journal of Genetics, Vol. 92, No. 2, August 2013. Retrieved from: https://hdl.handle.net/20.500.14740/11826