SIMANULLANG, Patricia; PATRICIA SIMANULLANG. ANALISIS KESULITAN PEMBELAJARAN MATEMATIKA PADA KELAS 4 . Jurnal Inovasi Sekolah Dasar, [S. l.], v. 2, n. 4, p. 181–188, 2026. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jisd/article/view/71597. Acesso em: 14 feb. 2026.