“SIMULATION OF LAMINAR FORCED CONVECTION HEAT TRANSFER AND FLUID FLOW OVER A BACKWARD FACING STEP WITH OBSTACLE USING (SIO ) NANOPARTICLES”. University of Thi-Qar Journal for Engineering Sciences, vol. 6, no. 2, Aug. 2015, pp. 80-92, https://doi.org/10.31663/utjes.v6i2.79.