Amit Kumar, Pardeep Porwal, V. H. Badshah. An Epidemic Model with Immigration and Non-Monotonic Incidence Rate Under Treatment. Int. J. Math. And Appl. [Internet]. 2017 Nov. 15 [cited 2024 May 17];5(4 - C):407-20. Available from: http://ijmaa.in/index.php/ijmaa/article/view/1287