Adha, Viona Nurul, and Fatmawati. 2019. “Pelaksanaan Kegiatan Ekstrakurikuler Pencak Silat Bagi Anak Tunagrahita Ringan Di SLBN 1 Painan”. Ranah Research : Journal of Multidisciplinary Research and Development 2 (1), 172-79. https://jurnal.ranahresearch.com/index.php/R2J/article/view/208.