GHOLAMI, Hossein; GACHPAZAN, Mortaza; ERFANIAN, Majid. An efficient mathematical model for the Outbreak of COVID-19from the perspective of numerical analysis. Iraqi Journal of Science, [S. l.], v. 66, n. 11, p. 5124–5135, 2025. DOI: 10.24996/ijs.2025.66.11.34. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11142.. Acesso em: 4 jan. 2026.