References
- Fallon , K. , Light , C. and Paige , T. 2001 . Enhancing vocabulary selection for preschoolers who require augmentative and alternative communication (AAC) . American Journal of Speech-Language Pathology , 10 : 81 – 94 .
- Light , J. and Drager , K. 2007 . AAC technologies for young children with complex communication need: State of the science and future research directions . Augmentative and Alternative Communication , 23 : 204 – 216 .