C. S. RANDHAWA and S. S. RANDHAWA, “Copper status of crossbred cows of the organised and rural dairy herds in central Punjab”, Indian J of Anim Sci, vol. 72, no. 12, Feb. 2014, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/38102