O. Ahaotu, E., S. A. Adeyeye, and N. . Nnorom. “Effects of Amaranthus Spinosus (green) Leaf Meal on the Performance of Broiler Chicks”. Scientific Journal of Veterinary Advances, vol. 4, no. 3, Mar. 2015, pp. 21-24, http://sjournals.com/index.php/sjva/article/view/1429.