Ratu, Novisita. “PELEVELAN LAPISAN PEMAHAMAN KONSEP MATEMATIKA SISWA KELAS X”. HISTOGRAM: Jurnal Pendidikan Matematika 3, no. 2 (August 31, 2020): 152–161. Accessed January 14, 2026. https://journal.matappa.ac.id/index.php/histogram/article/view/404.