Atrey, R K, Harpal Singh, D Kumar, and R K Sharma. “Factors Affecting the Replacement Rate and Its Components in Frieswal Cattle”. The Indian Journal of Animal Sciences 75, no. 3 (March 25, 2005). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/8142.