Sabila, Dea, Imam Madani, and Aisah Aisah. “Pengembangan Angket Kesulitan Belajar Matematika Pada Materi Perkalian Di Kelas IV SDN 12 Langkai”. JURNAL JENDELA MATEMATIKA 4, no. 01 (January 25, 2026): 1–13. Accessed February 10, 2026. https://ejournal.jendelaedukasi.id/index.php/JJM/article/view/2260.