Ahmad, H. G., F. Y. Eguda, B. M. Lawan, J. Andrawus, and B. I. Babura. “Basic Reproduction Number and Sensitivity Analysis of Legionnaires’ Disease Model”. Gadau Journal of Pure and Allied Sciences, vol. 2, no. 1, Mar. 2023, pp. 1-8, doi:10.54117/gjpas.v2i1.60.