Ganz, J. B., Earles-Vollrath, T. L., Heath, A. K., Parker, R. I., Rispoli, M. J., & Duran, J. B. (2012). A meta-analysis of single case research studies on aided augmentative and alternative communication systems with individuals with autism spectrum disorders . Journal of Autism and Developmental Disorders , 42 (1), 60–74. https://doi.org/10.1007/s10803-011-1212-2
Ganz, J. B., Earles-Vollrath, T. L., Heath, A. K., Parker, R. I., Rispoli, M. J., & Duran, J. B. (2012). A meta-analysis of single case research studies on aided augmentative and alternative communication systems with individuals with autism spectrum disorders. Journal of Autism and Developmental Disorders, 42(1), 60–74. https://doi.org/10.1007/s10803-011-1212-2
URL
http://link.springer.com/journal/10803