Abubakar, M., T. A. Adegbola, M. M. Abubakar, Y. Shehu, M. B. Ngele, and D. J. U. Kalla. “NUTRITIONAL EVALUATION OF DIFFERENT SOURCES OF NITROGEN ON DIGESTIBLE NUTRIENT INTAKE, NITROGEN BALANCE AND PRODUCTION OF RUMEN METABOLITES IN GROWING YANKASA SHEEP”. Emirates Journal of Food and Agriculture, vol. 22, no. 4, Oct. 2017, pp. 298-07, doi:10.9755/ejfa.v22i4.4877.