แดงกองโค ส.; มิฟองฟู ส.; คำชู ณ. Global stability of a SEIR epidemic model with nonlinear incidence rate. PSRU Journal of Science and Technology, Phitsanulok, Thailand, v. 1, n. 3, p. 10–18, 2017. Disponível em: https://ph01.tci-thaijo.org/index.php/Scipsru/article/view/71641. Acesso em: 2 may. 2024.