Umar, Abdullahi Tawfiq, et al. “Typhoid Incidence and Environmental (Weather) Determinants in Gombe Municipality Gombe Nigeria: A Five-Year Epidemiological Study”. UMYU Scientifica, vol. 3, no. 3, Sept. 2024, pp. 96-104, https://doi.org/10.56919/usci.2433.012.