Tetzchner, Stephen von
Introduction to augmentative and alternative communication : sign teaching and the use of communication aids for children, adolescents, and adults with developmental disorders / Stephen VonTetzchner Harald Martinsen - Second edition - London : Whurr Publishers, 2000. - xii, 361 pages : illustrated ; 23 cm.
Includes index
9781861561879 1861561873
People with disabilities--Means of communication
Communicative disorders
362.196855
Introduction to augmentative and alternative communication : sign teaching and the use of communication aids for children, adolescents, and adults with developmental disorders / Stephen VonTetzchner Harald Martinsen - Second edition - London : Whurr Publishers, 2000. - xii, 361 pages : illustrated ; 23 cm.
Includes index
9781861561879 1861561873
People with disabilities--Means of communication
Communicative disorders
362.196855
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