RAHMAWATI M.; NASARUDDIN; LILIS SURYANI. Analisis Kesulitan Belajar Siswa dalam Operasi Hitung Menggunakan Alat Peraga Kelas IV SDN 51 Sumarambu. Journal of Mathematics, Science Education, and Research, [S. l.], v. 1, n. 1, p. 61–72, 2024. Disponível em: https://ssed.or.id/journal/jmser/article/view/75. Acesso em: 20 sep. 2024.