THERMAL DIFFUSION AND CHEMICAL REACTION EFFECTS ON UNSTEADY MHD FREE CONVECTION FLOW PAST A SEMI INFINITE VERTICAL PERMEABLE MOVING PLATE. engineering and maths [Internet]. 2013 Oct. 5 [cited 2024 Oct. 5];1(3). Available from: http://informaciontechnologica.com/index.php/ajcem/article/view/78