ET AL., Olopade. a study of a class continuous SIR epidemic model with history. JOURNAL OF BASICS AND APPLIED SCIENCES RESEARCH, [S. l.], v. 2, n. 1, p. 54–60, 2024. DOI: 10.33003/jobasr-2024-v2i1-28. Disponível em: https://jobasrfudutsinma.com/index.php/ojs-files/article/view/314. Acesso em: 1 apr. 2026.