Harefa, Amstrong, and Hendrikus Otniel Nasozaro Harefa. “The Role of the Teacher in Improving the Social Interaction of Children With Special Needs at the Gunungsitoli State Special School”. Edumaspul: Jurnal Pendidikan 6, no. 2 (October 1, 2022). Accessed April 5, 2026. https://jurnal.unimen.cloud/index.php/maspuljr/article/view/4613.