Eka Yuli Astuti, Dwi Endah Pertiwi, and Fajar Indra Septiana. “The Effect of Picture Exchange Communication System (PECS) on the Language Ability of Children With Autism Spectrum Disorder (ASD): A Single Subject Research Study”. Attractive : Innovative Education Journal 8, no. 3 (September 30, 2026): 293–306. Accessed October 23, 2026. https://attractivejournal.com/index.php/aj/article/view/2819.