DADARWAL, D, et al. “Synchronization of Ovulation and Subsequent Fertility in Buffaloes followingPGF2α-PGF2α Protocol, With or Without GnRH”. The Indian Journal of Animal Sciences, vol. 79, no. 9, Jan. 2011, https://epubs.icar.org.in/index.php/IJAnS/article/view/2639.