BichiYusuf A., and AbiodunO. A. “UNSTEADY NATURAL CONVECTION FLOW THROUGH A VERTICAL POROUS CHANNEL FILLED WITH POROUS MATERIALS UNDER THE EFFECT OF THERMAL RADIATION”. FUDMA JOURNAL OF SCIENCES 2, no. 2 (March 17, 2023): 101 - 115. Accessed May 18, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1355.