Ouattara L, Ouedraogo H, Ouedraogo D, Guiro A. Analysis and optimal control for SEIR mathematical modeling of COVID-19. Malaya J. Mat. [Internet]. 2024 Oct. 1 [cited 2024 Dec. 4];12(04):367-8. Available from: https://www.malayajournal.org/index.php/mjm/article/view/2013