Yuvarin Boontop และ Savitree Malaipan. (2008) Diversity of stingless bees and host plants in thong pha phum district,kanchanaburi province. kasetsart University:ม.ป.ท.Yuvarin Boontop และ Savitree Malaipan. 2008. Diversity of stingless bees and host plants in thong pha phum district,kanchanaburi province. ม.ป.ท.:kasetsart University;Yuvarin Boontop และ Savitree Malaipan. Diversity of stingless bees and host plants in thong pha phum district,kanchanaburi province. ม.ป.ท.:kasetsart University, 2008. Print.