Pha-obnga, N., Aiumlamai, S. and Wachirapakorn, C. 2016. Nutritive value and effect of different levels of rubber seed kernel in total mixed ratio on digestibility using In Vitro gas production technique. Asia-Pacific Journal of Science and Technology. 21, 3 (Sep. 2016), 51–62. DOI:https://doi.org/10.14456/apst.2016.6.