Raval, Rupesh, et al. “Comparative Efficacy of Different Medicaments for Induction of Estrus in True Anestrus Jafarabadi Buffalo Heifers ”. Indian Journal of Veterinary Sciences and Biotechnology, vol. 12, no. 4, May 2015, pp. 30-33, https://acspublisher.com/journals/index.php/ijvsbt/article/view/2740.