Tanwa Kaewkheaw. 2010. Stability of sir model of an epidemic with varying total population sized and constant immigration rate. Faculty of Science, Chiang Mai University;
Tanwa Kaewkheaw. (2010) Stability of sir model of an epidemic with varying total population sized and constant immigration rate . Chiang Mai University/Chiang Mai.
Tanwa Kaewkheaw. Stability of sir model of an epidemic with varying total population sized and constant immigration rate. . Chiang Mai:Chiang Mai University, 2010.
Tanwa Kaewkheaw. (2010) Stability of sir model of an epidemic with varying total population sized and constant immigration rate . Chiang Mai University/Chiang Mai.