![](/img/cover-not-exists.png)
Expressive vocabulary acquisition in children with intellectual disability: Speech or manual signs?
Vandereet, Joke, Maes, Bea, Lembrechts, Dirk, Zink, IngeVolume:
36
Language:
english
Journal:
Journal of Intellectual and Developmental Disability
DOI:
10.1080/13668250.2011.572547
Date:
June, 2011
File:
PDF, 463 KB
english, 2011