Febriani, Sinta, and Irdamurni Irdamurni. “VIDEO TUTORIAL DAPAT MENINGKATKAN KETERAMPILAN MENGGOSOK GIGI ANAK TUNAGRAHITA KATEGORI SEDANG”. Ranah Research : Journal of Multidisciplinary Research and Development 1, no. 4 (August 10, 2019): 991-997. Accessed November 24, 2024. https://jurnal.ranahresearch.com/index.php/R2J/article/view/161.