Kitilit , J. K., D. K. Kios, K. Changwony, H. A. Rachuonyo, and G. M. Mureithi. “ Effect of Concentrate Supplementation on Milk Yield and Density in Dairy Farms ”. African Journal of Education,Science and Technology (AJEST) 1, no. 3 (December 27, 2013): pp 111–114. Accessed April 3, 2026. http://ajest.org/index.php/ajest/article/view/345.