OMOLEHIN∗†, . J. .; JOHNSON‡, O. .; BABARINSA§, I. . A Fractional-order transmission dynamics for Diphtheria and Pertussis co-infection. International Journal of Mathematical Analysis and Modelling, [S. l.], v. 7, n. 2, 2025. Disponível em: https://tnsmb.org/journal/index.php/ijmam/article/view/190. Acesso em: 28 jul. 2026.