“Numerical Study of Non-Darcian Natural Convection Heat Transfer in a Rectangular Enclosure Filled With Porous Medium Saturated With Viscous Fluid”. Tikrit Journal of Engineering Sciences 15, no. 2 (June 30, 2008): 90–111. Accessed September 9, 2026. https://www.tj-es.com/ojs/index.php/tjes/article/view/642.