Setyaningrum, Wahyu, Loviga Denny Pratama, and Mohamad Bilal Ali. “Game-Based Learning in Problem Solving Method: The Effects on Students’ Achievement”. International Journal on Emerging Mathematics Education 2, no. 2 (August 30, 2018): 157–164. Accessed November 4, 2024. https://journal.uad.ac.id/index.php/IJEME/article/view/10564.