Srinivasulu, C, et al. “Effect of Supplementation of Gliricidia Maculata to Urea-Treated and Untreated Paddy Straw in Crossbred Cows”. The Indian Journal of Animal Sciences, vol. 69, no. 5, July 2012, https://epubs.icar.org.in/index.php/IJAnS/article/view/20551.