Raja Kumari , K. Naga, V. Ravinder Reddy, V. Chinni Preetham, D. Srinivas Kumar, A. R. Sen, and S. V. Rama Rao. “Assessment of Optimum Threonine Concentration in Diets of WL Layers at Peak Production”. International Journal of Livestock Research 9, no. 1 (January 31, 2019): 245–253. Accessed May 8, 2026. http://ijlr.org/ojs_journal/index.php/ijlr/article/view/1417.