AL JABER MORTADA, Abla Mohammed. The Effect of Peer-Mediated Picture Exchange Communication System Intervention in Improving Vocabulary Knowledge in Children with Autism Spectrum Disorders. Psycho-Educational Research Reviews, [S. l.], v. 6, n. 2, p. 23 – 29, 2017. Disponível em: https://www.perrjournal.com/index.php/perrjournal/article/view/272. Acesso em: 3 may. 2025.