Bichi, Yusuf A., and O. A. Abiodun. “COMBINED EFFECTS OF VARIABLE VISCOSITY AND THERMAL RADIATION ON UNSTEADY NATURAL CONVECTION FLOW THROUGH A VERTICAL POROUS CHANNEL”. FUDMA JOURNAL OF SCIENCES 2, no. 2 (March 17, 2023): 273 - 287. Accessed April 7, 2025. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1375.