A SEMI-ANALYTICAL APPROACH TO INVESTIGATE THE VALIDITY OF THE THERMAL EQUILIBRIUM ASSUMPTION IN THE ANALYSIS OF UNSTEADY FREE CONVECTION IN POROUS MICRO-CHANNEL. IJMET. 2023;14(6):16-22. Accessed February 8, 2026. https://iaeme-library.com/index.php/IJMET/article/view/IJMET_14_06_003