M. Sani, U., M. O. Oche, M. O. Raji, U. M. Ango, and N. M. Jiya. “Knowledge, Attitude and Reporting Practices on Adverse Events Following Immunization Among Routine Immunization Service Providers in Health Facilities of Sokoto State, Nigeria”. International Journal of TROPICAL DISEASE & Health 40, no. 2 (January 23, 2020): 1-14. Accessed June 4, 2020. http://journalijtdh.com/index.php/IJTDH/article/view/30226.