M. Bello, M., M. Hamza, M. M. Dalhat, Z. G. Habib, A. M. Yakasai, A. H. Sadauki, B. Hussain, B. A. Gwaram, F. S. Fada, K. M. Karaye, A. G. Habib, and A. U. Bello. “Challenges of Immunization Coverage Among a Semi-Nomadic Population in Kano State, North West Nigeria”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 27, no. 3, June 2016, pp. 186-93, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4503.