Abdulaziz Alsubhi, M., Sahari, N. and Tengku Wook, T. S. M. (2020) “A Conceptual Engagement Framework for Gamified E-Learning Platform Activities”, International Journal of Emerging Technologies in Learning (iJET), 15(22), pp. pp. 4–23. doi: 10.3991/ijet.v15i22.15443.