1.
Analisis Kebutuhan Bahan Ajar Matematika Berbasis Problem Based Learning (PBL) Kelas IV Studi Kasus: SD Muhammadiyah Pataan. ESEJ. 2025;1(1). Accessed May 14, 2026. https://esej.uim-yogya.ac.id/index.php/esej/article/view/4