HAMIDAH, H. Meningkatkan Kemampuan Mengoperasionalkan Penjumlahan Dan Pengurangan Pada Mata Pelajaran Matematika Dengan Bantuan Benda Konkret Siswa Kelas I SDN 1 Mendawai Seberang: Improve The Ability to Operatinalize Addition and Support in Mathematics With The Help of Concrete Objects for Students of Grade I SDN 1 Mendawai Seberang. Bitnet: Jurnal Pendidikan Teknologi Informasi, [S. l.], v. 5, n. 1, p. 36–43, 2020. DOI: 10.33084/bitnet.v5i1.1333. Disponível em: https://journal.umpr.ac.id/index.php/bitnet/article/view/1333. Acesso em: 25 apr. 2024.