Garg, A. K., M. Y. Khan, and D. C. Joshi. “Nutritive Evaluation of Pusa Chart Fodder Varieties As Sources of Energy for Ruminants”. The Indian Journal of Nutrition and Dietetics, vol. 19, no. 7, July 1982, pp. 225-8, https://www.informaticsjournals.com/index.php/ijnd/article/view/12906.