References

AbilityNet 2009  Communication Aids
View reference   Last visited:  30/04/2010 Evidence type: 2

AbleData 2008  Factsheet on communicators
View reference   Last visited:  28/05/2010 Evidence type: 2

Ace Centre   What is a communication aid
View reference   Last visited:  10/08/2010 Evidence type: 2

Scope   AAC (Alternative and Augmentative Communication) FAQs
View reference   Last visited:  13/07/2010 Evidence type: 2

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