Elsayed, O., A. A. Omar, A. Jeddi, S. EL HESSNI, and F. Z. Hachimy. “Drag Reduction by Application of Different Shape Designs in a Sport Utility Vehicle”. International Journal of Automotive and Mechanical Engineering, vol. 18, no. 3, Sept. 2021, pp. 8870-81, doi:10.15282/ijame.18.3.2021.03.0680.