LYAPUNOV FUNCTIONS FOR AN SIR EPIDEMIC MODEL WITH INFORMATION DEPENDENT VACCINATION AND DISEASE MORTALITY. Far East Journal of Mathematical Sciences (FJMS), [S. l.], v. 142, n. 2, p. 173–190, 2025. DOI: 10.17654/0972087125010. Disponível em: https://pphmjopenaccess.com/fejms/article/view/3140. Acesso em: 5 jan. 2026.