Arief, Arief Arafat Hankam. “PGMI Students’ Conceptual Difficulties With Integers and Their Implications for Mathematics Teaching Readiness”. Jurnal Pendidikan Guru Madrasah Ibtidaiyah Al-Amin 4, no. 2 (October 25, 2025): 576–586. Accessed April 18, 2026. https://ejournal.staialamin.ac.id/index.php/pgmi/article/view/469.