Franatha E, Putra CA, Misyanto M. Development and Preliminary Evaluation of the Betang Transparent Card for Teaching Fraction Addition with Unlike Denominators in Elementary School. RJ [Internet]. 2026 Jun. 1 [cited 2026 Jul. 29];6(2):-. Available from: https://journal-center.litpam.com/index.php/RJ/article/view/5277