# Comparison and Preference: Manual Signing, Picture Exchange, and Speech-Generating Devices as Communication Modes for Children with Developmental Disabilities

> 2012 doctoral thesis by Larah van der Meer at Victoria University of Wellington

**Wikidata**: [Q112891857](https://www.wikidata.org/wiki/Q112891857)  
**Source**: https://4ort.xyz/entity/comparison-and-preference-manual-signing-picture-exchange-and-speech-generating-devices-as-communication-modes-for-children-with-developmental-disabilities


## References

1. [Source](https://doi.org/10.26686/wgtn.17000590)