ANALISIS KESULITAN BERHITUNG PERMULAAN KELAS RENDAH DALAM MATERI PENJUMLAHAN DAN PENGURANGAN BILANGAN DI SDN SINDANGSARI II. Sindoro: Cendikia Pendidikan, [S. l.], v. 18, n. 3, p. 391–400, 2026. Disponível em: https://cibjournal.com/index.php/sindoro/article/view/5491. Acesso em: 2 oct. 2026.