F. A. Ismail, A. M. Umar, N. S. Sadi, A. Shehu, A. N. Salmanu, and A. M. Hassan, “Prevalence and Risk Factors of Hepatitis B Infections among Students in Tertiary Institutions in Kano State, Nigeria”, USci, vol. 4, no. 3, pp. 358–365, Sep. 2025, doi: 10.56919/usci.2543.036.