L. S. SINGH; S. K. SINGH; A. K. SHARMA. The SIS Model for Japanese Encephalitis. Journal of International Academy of Physical Sciences, [S. l.], v. 13, n. 3, p. 269–277, 2009. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/192. Acesso em: 18 may. 2024.