Atmaja, P. W., and S. Sugiarto. “Balancing Entertainment, Cost, and Educational Strength: A Design Framework for Medium-Coupling Educational Games”. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control, vol. 6, no. 1, Feb. 2021, pp. 27-40, doi:10.22219/kinetik.v6i1.1158.