IWA, L. L.; OMAME, A.; INYAMA, S. C. A fractional-order model of COVID-19 and Malaria co-infection. Bulletin of Biomathematics, [S. l.], v. 2, n. 2, p. 133–161, 2024. DOI: 10.59292/bulletinbiomath.2024006. Disponível em: https://bulletinbiomath.org/index.php/bulletinbiomath/article/view/15. Acesso em: 2 apr. 2025.