Helda, Helda. “UPAYA PENINGKATAN PERAWATAN DIRI ANAK TUNAGRAHITA”. UNES Journal Of Social and Economics research 2, no. 1 (June 29, 2017): 24-30. Accessed October 21, 2025. https://ojs.ekasakti.org/index.php/UJSCR/article/view/83.