BHUYAN, M, B C DEKA, B C SARMAH, P CHAKRAVARTY, and B K D BORAH. “Effect of Three Concentrations of Progesterone in the Vaginal Sponge for Oestrus Synchronization in Yak”. The Indian Journal of Animal Sciences 82, no. 5 (May 9, 2012). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/17688.