Abdullahi, M., Momoh A. A., Abdullahi, S.A., & Edogbanya, H.O. (2019). A Mathematical Model of Tuberculosis with Passive Immunity and Drug Resistance Effects. International Journal of Science for Global Sustainability, 5(1), 14. Retrieved from https://www.fugus-ijsgs.com.ng/index.php/ijsgs/article/view/163