CHUMPAWADEE, Songsak, Kritapon SOMMART, Thevin VONGPRALUB, and Virote PATTARAJINDA. 2011. “In Sacco Degradation Characteristics of Protein Feed Sources in Brahman-Thai Native Crossbred Steers”. Walailak Journal of Science and Technology (WJST) 2 (2):219-29. https://wjst.wu.ac.th/index.php/wjst/article/view/166.