S. Chumpawadee, K. Sommart, T. Vongpralub, and V. Pattarajinda. “In sacco degradation characteristics of energy feed sources in Brahman-Thai native crossbred steers”. International Journal of Agricultural Technology, vol. 1, no. 2, Nov. 2005, pp. 193-06, https://li04.tci-thaijo.org/index.php/IJAT/article/view/7473.