R. M. Tawafak, A. Romli, S. I. Malik, M. Shakir, and G. M. Alfarsi, “A Systematic Review of Personalized Learning: Comparison between E-Learning and Learning by Coursework Program in Oman”, Int. J. Emerg. Technol. Learn., vol. 14, no. 09, pp. pp. 93–104, May 2019.