KHAERONI, K. Ragam Permasalahan dalam Pembelajaran Operasi Hitung Bilangan Bulat di SD/MI. Primary : Jurnal Keilmuan dan Kependidikan Dasar, [S. l.], v. 7, n. 2, p. 187–206, 2015. DOI: 10.32678/primary.v7i2.6418. Disponível em: https://ftk.uinbanten.ac.id/journals/index.php/primary/article/view/6418. Acesso em: 28 oct. 2025.