What manual sign systems are currently used by people who rely on AAC in North America, and
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What manual sign systems are currently used by people who rely on AAC in North America, and what are the advantages and disadvantages of each of them?
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Related Book For
Augmentative And Alternative Communication Supporting Children And Adults With Complex Communication Needs
ISBN: 9781598571967
4th Edition
Authors: David Beukelman, Pat Mirenda, Kathryn Garrett, Janice Light
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