Sant'Anna MMM, Deliberato D, Rocha ANDC. Augmentative and alternative communication users and their interlocutors impressions on using graphic symbol system. Rev Ter Ocup Univ São Paulo (Online) [Internet]. 2016 Dec. 30 [cited 2024 May 17];27(3):322-8. Available from: https://www.periodicos.usp.br/rto/article/view/90751