Faradisya, Popy Purna, and Asep Ahmad Sopandi. 2019. “MENGENAL HURUF HIJAIYAH BAGI SISWA TUNARUNGU MELALUI BAHASA ISYARAT ARAB”. Ranah Research : Journal of Multidisciplinary Research and Development 2 (1), 51-57. https://jurnal.ranahresearch.com/index.php/R2J/article/view/193.