A Simulation-Based Analysis of Model for Coronavirus Disease Using Nonstandard Finite Difference Scheme. International Journal of Development Mathematics (IJDM), [S. l.], v. 2, n. 4, p. 022–043, 2025. DOI: 10.62054/ijdm/0204.02. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/249.. Acesso em: 27 jul. 2026.