Rung-ruangkijkrai, T., and W. Klomkleaw. “Pancreas Morphology and Duct System of Swamp Buffaloes (Bubalus Bubalis)”. The Thai Journal of Veterinary Medicine, vol. 44, no. 2, June 2014, pp. 253-9, https://he01.tci-thaijo.org/index.php/tjvm/article/view/18576.