Dewi, Dara, Siti Khodijah, and Luvy Zanthy. “Analisis Kesulitan Matematik Siswa SMP Pada Materi Statistika”. Jurnal Cendekia : Jurnal Pendidikan Matematika 4, no. 1 (January 13, 2020): 1-7. Accessed May 1, 2026. https://www.j-cup.org/index.php/cendekia/article/view/148.