Penggunaan Alat Permainan Edukatif “Puzzle Jam” terhadap Kemampuan Kognitif “Mengenal Lambang Bilangan”. (2018). PROCEEDING: The Annual International Conference on Islamic Education, 3(1), 200-207. https://jurnal.stitnualhikmah.ac.id/index.php/proceedings/article/view/269