Abubakar, U. B., et al. “Prevalence of Bovine Tuberculosis in Slaughtered Cattle Based on Post-Mortem Meat Inspection and Zeihl-Neelson Stain in Borno State, Nigeria”. International Journal of Livestock Research, vol. 8, no. 8, Aug. 2018, pp. 67-74, http://ijlr.org/ojs_journal/index.php/ijlr/article/view/1634.