Jayanti, Indriani, Nurdin Arifin, and Dedi Rahman Nur. “ANALISIS FAKTOR INTERNAL DAN EKSTERNAL KESULITAN BELAJAR MATEMATIKA KELAS V”. SISTEMA: Jurnal Pendidikan 1, no. 1 (June 9, 2020): 1–7. Accessed July 3, 2024. https://jurnal.fkip-uwgm.ac.id/index.php/sjp/article/view/602.