BAKER, S. Saying it with Pictures: The Picture Exchange Communication System (PECS). REACH: Journal of Inclusive Education in Ireland, [S. l.], v. 14, n. 2, p. 84–91, 2021. Disponível em: https://reachjournal.ie/index.php/reach/article/view/188. Acesso em: 2 may. 2024.