1. Infectious disease of humans, dynamicsand control;Anderson,1995
2. Optimal control and bifurcation diagramfor a model nonlinear fractional SIRC;Mahdy;Alexandria Eng J,2020
3. Gorenflo R, Mainardi F. Fractional calculus. In: Fractals and fractional calculus in continuum mechanics. Springer; 1(997): 223–276.
4. Kilbas A, Srivastava H, Trujillo JJ. Theory and applications of the fractional differential equations, 204, Elsevier (North- Holland), Amsterdam Amsterdam; 2006.
5. Podlubny I. Fractional differential equations, to methods of their solution and some of their applications. Fractional differential equations: an introduction to fractional derivatives. San Diego, CA: Academic Press; 1998.