Onwubuya* IO, Madubueze* CE. SVEIR MODEL OF AN INFECTIOUS DISEASE AMONG INFECTED IMMIGRANTS WITH NONLINEAR INCIDENCE RATE. IJMAM [Internet]. 2023 Sep. 27 [cited 2026 Sep. 12];4. Available from: https://journal.tnsmb.org/index.php/ijmam/article/view/22