O. J. Olasunkanmi, E. J. Oluwafemi, A. M. Adeleke, and A. Abayomi O, “Evaluating the Effectiveness of Health Information Systems in Enhancing Disease Surveillance and Reporting in Selected Nigerian States”, Amer.Jour.Bio.Nat.Scien., vol. 2, no. 9, pp. 47–56, Sep. 2025.