F.A. Rihan, M. Safan, M.A Abdeen, D.H. Abdel-Rahman, Qualitative and Computational Analysis of a Mathematical Model for Tumor-Immune Interactions, Applied Mathematics in Biomedical Sciences and Engineering, J. Appl. Math., Vol. 2012, (2012).

M. Safan, F.A. Rihan, Mathematical Analysis of an SIS Model With Imperfect Vaccination and Backward Bifurcation, Mathematics and Computers in Simulation, In press (2011).

F.A. Rihan, M. Safan, M.A Abdeen, D.H. Abdel-Rahman, Mathematical modeling of tumor cell growth and immune system interactions, International Journal of Modern Physics: Conference Series, to appear (2011).

F.A. Rihan & D.H. Abdel Rahman, Sensitivity of best-fit parameters in neutral differential equations with cell growth dynamics, Int. J. Math. Comput., 10 (M11) 2011, pp 65--78. F.A. Rihan, Computational methods for delay parabolic and time fractional partial differential equations, Num. Meth. Partial Diff. Eqns., Vol. 26 (6) (2010) 1556--1571

F.A. Rihan, Adjoint sensitivity analysis of neutral delay differential models, J. Num. Anal. Indus. Appl. Math.,  Vol. 5 (1-2)  (2010) 95--101.

F.A. Rihan, Chris Collier, A Basis for Improving Numerical Forecasting in the Gulf Area by Assimilating Doppler Radar Radial Winds, {\it International Journal of Geosciences, Vol. 1 (2) (2010), pp 70--78.

F.A. Rihan, Computational methods for delay parabolic and time fractional partial differential equations, Num. Meth. Partial Diff. Eqns., Vol. 26 (6) 2010) 1556--1571.

F.A. Rihan, Delay Differential Models in Dynamic Diseases, The Proceedings of the ISCA 2nd International Conference on Bioinformatics and Computational Biology, held in Honolulu, Hawaii, USA, March 24-26, (2010) 73--79.

F.A. Rihan, E.H. Doha, M.I. Hassan and N.M. Kamel, Numerical Treatments for Volterra Delay Integro-Differential Equations, Comput. Methods Appl. Math., Vol.  9(3) (2009) 292--308.

C.T.H Baker, G. Bocharov, E. Parmuzin, F.A. Rihan, Some aspects of causal \& neutral equations used in modelling, J. Comput. Appl. Math., Vol  229 (2009) 335--349.

F.A. Rihan, E.H. Doha, M.I. Hassan and N.M. Kamel, Mono-implicit Runge-Kutta method for delay differential equations, J. Egypt. Math. Soc., Vol 17(2) (2009) 213--232.

C.T.H Baker, G. Bocharov, F.A. Rihan, Neutral Delay Differential Equations in the Modelling Of Cell Growth, J. Egypt. Math. Soc., Vol. 16(2) (2008) 133--160.

F. A. Rihan, Stability Conditions for Singularly Perturbed Delay differential Equations, Comput. Math. Model., Vol 19(3) (2008) 292-303.

F.A. Rihan, C.G. Collier, S.P. Ballard, S. Swarbrick, Assimilation of Doppler radial winds into a 3D-Var system: Errors and impact of radial velocities on the variational analysis and model forecasts, Q.J.R. Meteorol. Soc.,  Vol 134(636) (2008) 1701--1716.

F.A. Rihan, Sensitivity analysis of cell growth dynamics with time-lags, J. Egypt. Math. Soci., Vol 14(1) (2006) 91--107.

C.T.H Baker, E. Agyingi, E. Parmuzin, F.A. Rihan & S. Yihong, Sense from Sensitivity and Variation of Parameters, Appl. Num. Math. 56 (2006) 397-–412.

C.T.H. Baker, G.A. Bocharov, A. Filiz, N.J. Ford, C.A. Paul, F.A. Rihan, A. Tang, R.M. Thomas, H. Tian \& D.R. Will\'e,
Numerical Modelling by delay and Volterra functional differential equations, in Computer Mathematics and its Applications, E A Lipitakis, ed., (LEA
Publishers, Athens, 2006) pp 233-256.

F.A. Rihan, C.G. Collier \& I. Roulstone, Four-dimensional variational data assimilation for Doppler radar wind data,  J. Comput. Appl. Math., Vol 176(1) (2005) 15--34.

C.T.H. Baker, G.A. Bocharov, C.A. Paul & F.A. Rihan, Computational modelling with functional differential equations:
Identification, selection. Appl. Num. Math., Vol 53 (2005) pp 107--129.

F.A. Rihan, Sensitivity analysis of dynamic systems with time lags, J. Comput. Appl. Math., Vol. 151 (2) (2003) 445--462.

F.A. Rihan, C.G. Collier, S.P. Ballard, & S.J. Swarbrick, On the assimilation of Doppler radial winds into a high resolution NWP model, ERAD (European Radar)(2004) 487--493.

F.A. Rihan, C.G. Collier, S.P. Ballard, Impact of Assimilation of Doppler Radial Velocity on a Variational System and on its Forecasts, Proceedings of American Meteorological Society (AMS), October (2005) 24-29.

G.A. Bocharov & F.A. Rihan, Numerical modelling in biosciences using delay differential equations, J. Comput. Appl. Math., Vol. 125 (2000) 183--199.

C.T.H. Baker, G.A. Bocharov, C.A. Paul & F.A. Rihan, Modelling and analysis of time lags in cell proliferation, J. Math. Biol., Vol 37(4) (1998) 341--371.