M. A. Abd Halim, N. A. R. Nik Mohd, M. N. Mohd Nasir, and M. N. Dahalan, “The Evaluation of k-ε and k-ω Turbulence Models in Modelling Flows and Performance of S-shaped Diffuser”, Int. J. Automot. Mech. Eng., vol. 15, no. 2, Jun. 2018.