Parmar, Sachin V., et al. “Effect Of Hormone Therapy On Fertility And Plasma Minerals Profile In Repeat Breeding Gir Cows ”. Indian Journal of Veterinary Sciences and Biotechnology, vol. 8, no. 4, Feb. 2013, pp. 18-25, https://acspublisher.com/journals/index.php/ijvsbt/article/view/3153.