Szukana fraza: [Abstract = "The investigation deals with the combined heat and mass transfer in a mixed convection boundary layer flow over a stretching vertical surface in a porous medium filled with a viscoelastic second grade fluid. The partial differential equations governing the model have been transformed by a similarity transformation and the system of coupled\-ordinary differential equations is solved by employing the shooting method with the fifth\-order Runge\-Kutta\-Fehlberg iteration technique."]

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