Johnson, S.O., H.O. Edogbanya, J.O. Omolehin, and O. Johnson. “Characteristics and Control Strategies for Diphtheria-Pertussis Co-Infection Risk in the Post COVID-19 Era”. International Journal of Mathematical Analysis and Modelling 7, no. 2 (December 25, 2024). Accessed February 18, 2025. https://tnsmb.org/journal/index.php/ijmam/article/view/179.