ศรีประทีป กัลยา. “The Relationships between Body Weight and Size of the Elongated Tortoise Shell, Indotestodo elongata at Khon Kaen Province, Thailand”. KKU Science Journal 43, no. 1 (March 30, 2015): 49–59. accessed August 26, 2026. https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249348.