Ishartiwi, Ishartiwi, Rendy Roos Handoyo, Aini Mahabbati, and Edi Purwanta. “Strategies for Teaching Moral Values to Children With Intellectual Disability”. Cypriot Journal of Educational Sciences 17, no. 4 (April 30, 2022): 1320–1332. Accessed April 29, 2024. https://www.un-pub.eu/ojs/index.php/cjes/article/view/7170.