Akmalia, Ida Wardatul. “VAN HIELE LEARNING WITH ORIGAMI PAPER MEDIA IN INCREASING MATHEMATICAL LEARNING”. Jurnal Teladan: Jurnal Ilmu Pendidikan dan Pembelajaran 3, no. 2 (December 16, 2018): 121–132. Accessed November 25, 2024. http://journal.unirow.ac.id/index.php/teladan/article/view/40.