KURNIASI, R.; NURJANAH, N.; CAHYA, E. Students’ learning obstacle in operations of integer. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 3, n. 1, p. 59–67, 2024. DOI: 10.55904/educenter.v3i1.1107. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/1107. Acesso em: 2 dec. 2024.