Yonanda, Wintan, and Mega Iswari. “Meningkatkan Kemampuan Mengenal Bilangan Melalui Bermain Pincangan Bagi Anak Tunagrahita Ringan ”. Ranah Research : Journal of Multidisciplinary Research and Development 2, no. 4 (August 10, 2020): 68-73. Accessed December 22, 2024. https://jurnal.ranahresearch.com/index.php/R2J/article/view/305.