Lai, Chien-Hung, Yu-Chang Lin, Bin-Shyan Jong, and Yen-Teh Hsia. “Adding Social Elements to Game-Based Learning”. International Journal of Emerging Technologies in Learning (iJET) 9, no. 3 (May 10, 2014): pp. 12–15. Accessed January 28, 2022. https://online-journals.org/index.php/i-jet/article/view/3294.