Rahmawati M., Nasaruddin and Lilis Suryani (2024) “Analisis Kesulitan Belajar Siswa dalam Operasi Hitung Menggunakan Alat Peraga Kelas IV SDN 51 Sumarambu”, Journal of Mathematics, Science Education, and Research, 1(1), pp. 61–72. Available at: https://ssed.or.id/journal/jmser/article/view/75 (Accessed: 20 September 2024).