MOUSSOUNI, N.; ALIANE, M. Optimal control of COVID-19. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), [S. l.], v. 11, n. 1, p. 114–122, 2021. DOI: 10.11121/ijocta.01.2021.00974. Disponível em: http://ijocta.org/index.php/files/article/view/974. Acesso em: 16 jan. 2025.