Opoola, E., P. Atte, A. Lawal, O. Oyebanji, and G. Olaniyan. “Effects of Vitamin C and Zinc Supplementation in Drinking Water on Growth Performance of Broiler Chickens Reared in the Tropics”. Nigerian Journal of Animal Science, vol. 24, no. 3, May 2023, pp. 71-78, https://www.njas.org.ng/index.php/php/article/view/920.