D. K. Bara, K. Mukherjee, M. Singh, and S. Mishra, “Expected genetic gain in total lactation milk yield under single and multiple record selection in Sahiwal cows”, Indian J of Anim Sci, vol. 80, no. 2, Jan. 2011, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/3297