Muazu, A., A.A. Masdooq, J. Ngbede, A.E. Salihu, G. Haruna, A.K. Habu, M.N. Sati, and H. Jamilu. 2008. “The Effects of Using the Multi Carbohydrase Preparation in Diets Containing Canola Meal on Performance of Broiler Chickens”. International Journal of Poultry Science 7 (9): 919–924. https://doi.org/10.3923/ijps.2008.919.924.