Putri Wirdani, Zulvia Misykah, Rudi Hermansyah Sitorus, Dinda Widyastika. The Effect of the Mathematical Puzzle Playing Method on the Subtraction Calculation Ability of Grade 1 Students at SDN 104202 Bandar Setia. IJEL [Internet]. 2025 Oct. 23 [cited 2025 Oct. 28];4(3):30-61. Available from: https://ijel.asia/index.php/ijel/article/view/267