ANALISIS KESULITAN PEMBELAJARAN MATEMATIKA PADA KELAS 4 . Jurnal Inovasi Sekolah Dasar, The Indonesian Journal of Inovation School Education [Internet]. 2026 Feb. 11 [cited 2026 May 27];2(4):181-8. Available from: https://jurnal.unimed.ac.id/2012/index.php/jisd/article/view/71597