Awasthi, M K, et al. “Induction of Estrus and Fertility With Low Dose of Prostaglandin Fâ‚‚ Alpha in Sub Estrus Buffaloes”. The Indian Journal of Animal Sciences, vol. 68, no. 10, July 2012, https://epubs.icar.org.in/index.php/IJAnS/article/view/22332.