“PENGEMBANGAN MATERI AJAR FPB BERBASIS PMRI DI SEKOLAH DASAR”. Tunjuk Ajar : Jurnal Penelitian Ilmu Pendidikan 5, no. 1 (August 19, 2025). Accessed February 23, 2026. https://jta.ejournal.unri.ac.id/index.php/JTA/article/view/184.