EFEKTIVITAS MODEL OPEN ENDED UNTUK MENINGKATKAN PEMAHAMAN KONSEP MATEMATIKA MATERI PERKALIAN KELAS IV. Jurnal Cahaya Edukasi, [S. l.], v. 3, n. 1, p. 217–219, 2026. DOI: 10.63863/jce.v3i1.286. Disponível em: https://jurnalcahayaedukasi.com/index.php/jce/article/view/286. Acesso em: 31 may. 2026.