S. K. Singh and N. K. Sinha, “Selection indices for genetic improvement of body weight and wool yield in muzaffarnagri sheep”, Indian J of Anim Sci, vol. 76, no. 6, Feb. 2011, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/3896