KLAKASIKORN, A., S. WONGSIRI, S. DEOWANISH, and O. DUANGPHAKDEE. “New Record of Stingless Bees (Meliponini: Trigona) in Thailand”. Tropical Natural History, vol. 5, no. 1, May 2005, pp. 1-7, https://li01.tci-thaijo.org/index.php/tnh/article/view/102885.