[1] K.K. Ali, A. Hadhoud and M. Shaalan, Numerical study of self-adjoint singularly perturbed two
point boundary value problems using collocation method with error estimation, J. Ocean Eng. Sci.
3 (2018) 237-243
[2]A.Ghoreyshi,M.Abbaszadeh,M.A.Zaky,M.Dehghan,Finiteblockmethodfornonlineartime
fractionalpartial integro-differential equations: Stability, convergence, andnumericalanalysis,
Appl.Numer.Math.214(2025)82-103.
[3]M.AmreinandT.P.Wihler,Anadaptivespace-timeNewton-Galerkinapproahforsemilinearsin
gularlyperturbedparabolicequations,IMAJ.Numer.Anal.37(4)(2017)2004-2019.
[4]M.M.Bhatti,SultanZAlamri,R.EllahiandSaraIAbdelsalam,Intra-uterineparticle-fluidmotion
throughacompliantasymmetrictaperedchannelwithheattransfer,Jour.ofTherm.Anal.Calorim
144(2021)2259-2267
[5] I.Boglaev,Monotoneiterativealgorithmsforanonlinearsingularlyperturbedparabolicproblem,
J.Comput.Appl.Math.172(2)(2004)313-335.
[6] I.Boglaev,Aninexactmonotonemethodforsolvingsemilinearparabolicproblems,PPl.Math.
Comp.219(6)(2012)3253-3263.
[7]Y.Cheng,C.SongandY.Mei,LocaldiscontinuousGalerkinmethodfortimedependentsingularly
perturbedsemilinearreaction-diffusionproblems,Comput.MethodsAppl.Math.21(1)(2021)31
52
[8] P.A.Farrell,A.F.Hegarty, J.J.H.Miller,E.O’RiordanandG.I.Shishkin,Robustcomputational
techniquesforboundarylayers,Chapmanandhall/CRC,BocaRaton,Florida,USA,2000.
[9] J.He,Variationaliterationmethod-akindofnon-linearanalyticaltechnique:someexamples,Int.
J.NonlinearMech.34(1999)699-708.
[10]M.Inokuti,H.SenkineandT.Mura,GeneraluseoftheLagrangemultiplierinnonlinearmathemat
icalphysics,In:Nemat-Nasser,S.,Ed.,VariationalMethodsintheMechanicsofSolids,Pergamon
Press,NewYork,156-162.
[11] J.H. Seinfeld and Spyros N. Pandis, Atmospheric Chemistry and Physics: From Air Pollution to
Climate Change, John Wiley and sons, 1998.
[12] N. Kopteva and T. Linss, Maximum norm a posteriori error estimation for a time dependent
reaction-diffusion problem, Comput. Methods Appl. Math. 12(2) (2012) 189-205.
[13] N.KoptevaandT.Linss, Maximumnormaposteriorierrorestimation for parabolic problems using
elliptic reconstructions, SIAM J. Numer. Anal. 51(3) (2013) 1494-1524.
[14] M. Mariappan, Numerical treatment for a multiscale nonlinear system of singularly perturbed dif
ferential equations of convection-diffusion type, J. Math. Model. 12(2) (2024) 355-369.
[15] C.V. Pao, Nonlinear Parabolic and Elliptic Equations, Plenum Press, New York, 1992.
[16] J. Ramos, On the variational iteration method and other iterative techniques for nonlinear differ
ential equations, Appl. Math. Comp. 199 (2008) 39-69.
[17] X. Xu, R. M. Mathur, J. Jiang, G. J. Rogers and P. Kundur, Modeling of generators and their
controls in power system simulations using singular perturbations, IEEE Trans. Power Syst. 13(1)
(1998) 109-114
)