K. Divya Joseph and P. A. Dinesh, “Study of Forchheimer, Ohmic, Joule Effects and Variable Viscosity on Magnetohydrodynamic Viscous Flow Aacross the Slendering Stretching Surface”, Int. J. Math. And Appl., vol. 6, no. 1 - E, pp. 1093–1105, Mar. 2018.