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In this paper, a numerical method based on Shishkin mesh for a singularly perturbed fourth order differential equation with a turning point exhibiting boundary layers is presented. In this method the problem is transformed into a weakly coupled system of two second order equations, one without the parameter e and the other with the parameter e multiplying the highest derivative with suitable boundary conditions. We apply classical finite difference scheme on an appropriate piecewise uniformdoi:10.1016/j.asej.2016.04.018 fatcat:nnwbtnmcyfabbcvtdnmdy2ycqq