“Diagnosa Kesulitan Mahasiswa PGMI IAIN Ponorogo Dalam Membelajarkan Bilangan Pecahan”. Ibriez Jurnal Kependidikan Dasar Islam Berbasis Sains 4, no. 1 (June 28, 2019): 133–144. Accessed October 13, 2026. https://ibriez.uinponorogo.ac.id/index.php/ibriez/article/view/70.