B. Krishnappa, D. Kumar, and S. M. K. Naqvi, “Oestrus synchronization and artificial insemination in sheep”, Ind. Farming, vol. 70, no. 7, Jan. 2021, Accessed: Oct. 24, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IndFarm/article/view/109530