Anyanwu MC, Neossi-Nguetchue SN, Moremedi GM, Eegunjobi AS. Mathematical Model and Optimal Control of Covid-19 in Nigeria. EJMS [Internet]. 2024Mar.5 [cited 2024Nov.22];14(3):421-4. Available from: https://earthlinepublishers.com/index.php/ejms/article/view/841