UPAYA MENINGKATKAN HASIL BELAJAR OPERASI BILANGAN BULAT MELALUI MEDIA KONKRET DI SDN 4 MUARAKUANG. Jurnal Ilmiah Bina Edukasi, [S. l.], v. 12, n. 01, p. 1–15, 2019. DOI: 10.33557/jedukasi.v12i01.477. Disponível em: https://journal.binadarma.ac.id/index.php/jurnalbinaedukasi/article/view/477. Acesso em: 11 jul. 2025.