D. SHAH and K. N. S. SHARMA, “Production and reproduction performance of bovines in Bulandshahr district of Uttar Pradesh”, Indian J of Anim Sci, vol. 64, no. 2, May 2013, Accessed: Oct. 24, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/30306