CASSERLY, C. Using PECS with Children with Autism and Severe Learning Difficulties: Classroom Experience. REACH: Journal of Inclusive Education in Ireland, [S. l.], v. 18, n. 1, p. 29–38, 2021. Disponível em: https://reachjournal.ie/index.php/reach/article/view/161. Acesso em: 22 jul. 2024.