B. C. Umashankar, K. C. Singh, U. Krishnamoorthy, H. S. Madhusudhan, M. D. Gouri, and Y. Madhura, “Effect of Slow Release Nitrogen Product on Performance of Growing Crossbred Calves”, Int. J. Livest. Res., vol. 10, no. 6, pp. 73–78, Jun. 2020.