et al., G. S. M. R. “NATURAL CONVECTION OF A NON-NEWTONIAN FLUID IN A VERTICAL CHANNEL WITH WALL TEMPERATURE IN THE PRESENCE OF HEAT SOURCE”. International Journal of Advanced Science and Technology, Vol. 28, no. 13, Nov. 2019, pp. 682 -87, http://sersc.org/journals/index.php/IJAST/article/view/1398.