Nurmiati, Nurmiati, Endang Wahyuningrum, Sudirman Sudirman, and Tán Lì Nà. “Contextual Learning Integrated With Gamification: Effects on Mathematical Connection Ability and Learning Motivation in Ratio and Proportion”. International Journal of Mathematics and Sciences Education 4, no. 1 (June 30, 2026): 13–37. Accessed July 26, 2026. https://nakiscience.com/index.php/IJMSEd/article/view/309.