N. RAMESH; PROF. B. RAVINDRAREDDY. Stability and Hopf Bifurcation Analysis of a SIS Epidemic Model with Time Delay. Journal of Computational Analysis and Applications (JoCAAA), [S. l.], v. 33, n. 08, p. 972–981, 2024. Disponível em: https://eudoxuspress.com/index.php/pub/article/view/1535. Acesso em: 10 sep. 2026.