LAID, Chahrazed. Stochastic Stability of the non linear epidemic model with temporary immunity. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 4, n. 8, p. 01–15, 2017. Disponível em: https://jgrma.com/index.php/jgrma/article/view/249. Acesso em: 29 apr. 2025.