Contains the keyword surveys & questionnaires

Judge S, Enderby P, Creer S, John A. Provision of powered communication aids in the United Kingdom. AAC Augmentative and Alternative Communication. 2017;33(3):181-7. Abstract
Rombouts E, Maes B, Zink I. Attitude and key word signing usage in support staff. Research in Developmental Disabilities . 2016;55:77-87. Abstract