GEORGE, Isobeye. Diphtheria transmission dynamics: a sensitivity analysis. . Faculty of Natural and Applied Sciences Journal of Scientific Innovations , Port Harcourt, Nigeria, v. 5, n. 1, p. 130–140, 2023. Disponível em: https://fnasjournals.com/index.php/FNAS-JSI/article/view/211. Acesso em: 3 apr. 2025.