1.
Ogunmodimu M, Yusuf T, Olotu O. Sensitivity and stability analyses of COVID-19 model with waning immunity and relapse: a case study of Nigeria. IJMAM [Internet]. 2025 Jul. 23 [cited 2026 Jul. 28];8(1). Available from: https://tnsmb.org/journal/index.php/ijmam/article/view/220