Karami Lawal J, Tijjani Saad F, Usman A. Modeling the dynamics of hiv-pneumonia coinfections in Nigeria using delay differential equations (DDE). JOBASR [Internet]. 2025 Dec. 6 [cited 2026 Apr. 21];3(6):18-31. Available from: https://jobasrfudutsinma.com/index.php/ojs-files/article/view/38