“ANALISIS KESULITAN PEMBELAJARAN MATEMATIKA PADA KELAS 4 ”, Jurnal Inovasi Sekolah Dasar, The Indonesian Journal of Inovation School Education, vol. 2, no. 4, pp. 181–188, Feb. 2026, Accessed: May 27, 2026. [Online]. Available: https://jurnal.unimed.ac.id/2012/index.php/jisd/article/view/71597