Thongruang, S., Paengkoum, P., Suksombat, W., and Bureenok, S. 2018. “Effects of tropical forage species on Butyrivibrio fibrisolvens, Fibrobacter succinogenes and total bacteria population in goat rumen using real-time PCR techniques”. International Journal of Agricultural Technology 14 (7):2125-36. https://li04.tci-thaijo.org/index.php/IJAT/article/view/10327.