1.
Darmawijoyo, Yukans SS, Kurniadi E, Pratiwi WD. Developing a built-in definition of fraction manipulative to enhance students’ conceptual understanding. J. Elemen [Internet]. 2026 Feb. 19 [cited 2026 Jul. 6];12(1):277-93. Available from: https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/33341