1. Coronavirus in the UAE: a timeline of new cases and recoveries,2021
2. Mathematical immunology of virus infections, vol. 245;Bocharov,2018
3. Delay differential equations and applications to biology;Rihan,2021
4. Mathematical structure of epidemic systems;Capasso,1993
5. Fractional-order delay differential equations for the dynamics of hepatitis C virus infection with IFN-α treatment;Rihan;Alexandria Eng J,2021