Malik, P.K., and K.K. Singhal. 2016. “Effect of Alfalfa Fodder Supplementation on Enteric Methane Emission Measured by Sulfur Hexafluoride Technique in Murrah Buffaloes”. Buffalo Bulletin 35 (1). Bangkok, Thailand:125-34. https://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/1151.