Safira, Irga, Rahmadsyah Rangkuti, Ely Hayati Nasution, and Yulianus Harefa. 2020. “Non-Verbal Communication by Autistic Children”. ELS Journal on Interdisciplinary Studies in Humanities 3 (4):492-505. https://doi.org/10.34050/elsjish.v3i4.8065.