Surashkumar, Santini A/P, and Norulhuda Ismail. “The Effects of Gamification towards Year 5 Students’ Achievement in Number Sense, Attitude and Motivation in Learning Mathematics”. International Journal of Academic Research in Progressive Education and Development, vol. 13, no. 1, Feb. 2024, https://www.ijarped.com/index.php/journal/article/view/664.