MUNEER, S, et al. “EFFICACY OF GnRH-PGF2alpha •GnRH, PMSG AND PMSG + HCG IN POSTPARTUM ANESTROUS CROSSBRED COWS”. The Indian Journal of Animal Reproduction, vol. 30, no. 1, Jan. 2023, pp. 7-9, https://acspublisher.com/journals/index.php/ijar/article/view/5107.