Rattanawannee, A. ., O. Duangpakdee, P. . Rod-im, and R. . Hepburn. “Discrimination of Two Tetragonula (Apidae: Meliponini) Species in Thailand Using Geometric Morphometric Analysis of Wing Venation”. Agriculture and Natural Resources, vol. 49, no. 5, Oct. 2015, pp. 700-1, https://li01.tci-thaijo.org/index.php/anres/article/view/243730.