M. M. Qasim, A. R. Abdulkareem, M. A. Abdulhamed, and A. N. Zulkifli, “Viva Voce Coaching Using a Virtual Viva Simulator for Postgraduate Students”, Int. J. Interact. Mob. Technol., vol. 14, no. 17, pp. pp. 141–154, Oct. 2020.