et. al, P. G. “MHD OSCILLATORY FLOW IN A CHANNEL FILLED WITH POROUS MEDIUM IN THE PRESENCE OF CHEMICAL REACTION WITH MASS TRANSFER AND RADIATION”. International Journal of Advanced Science and Technology, Vol. 29, no. 2, Jan. 2020, pp. 2256 -4, http://sersc.org/journals/index.php/IJAST/article/view/3644.