Vishal Mudgal และผู้แต่งคนอื่นๆ. (2014) Effect of copper supplementation on the onset of estrus in anestrous buffalo cows and heifers. <i>Buffalo Bulletin</i>, <i>33</i>(1), 1-5.Vishal Mudgal และผู้แต่งคนอื่นๆ. "Effect of copper supplementation on the onset of estrus in anestrous buffalo cows and heifers". Buffalo Bulletin 33 (2014):1-5.Vishal Mudgal และผู้แต่งคนอื่นๆ. Effect of copper supplementation on the onset of estrus in anestrous buffalo cows and heifers. International Buffalo Information Centre, Office of The University Library, Kasetsart University, Bangkok (Thailand):ม.ป.ท. 2014.