ALHASSAN, A.; MOMOH, A. A.; ABDULLAHI, S. A.; AUDU, A. Mathematical Model for the Transmission Dynamics of Typhoid Fever Infection with Treatment. International Journal of Science for Global Sustainability, [S. l.], v. 7, n. 2, p. 13, 2021. Disponível em: https://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/25. Acesso em: 18 apr. 2026.