PENGARUH MEDIA SEMPOA TERHADAP KEMAMPUAN OPERASI HITUNG PENGURANGAN SISWA KELAS II MI . PREMIERE : Journal of Islamic Elementary Education, [S. l.], v. 2, n. 1, p. 94–102, 2020. DOI: 10.51675/jp.v2i1.89. Disponível em: https://ejournal.iainutuban.ac.id/index.php/premiere/article/view/89. Acesso em: 22 may. 2026.