Franatha, Edy, Chandra Anugrah Putra, and Misyanto Misyanto. “Development and Preliminary Evaluation of the Betang Transparent Card for Teaching Fraction Addition With Unlike Denominators in Elementary School”. Reflection Journal 6, no. 2 (June 1, 2026): -. Accessed July 29, 2026. https://journal-center.litpam.com/index.php/RJ/article/view/5277.