Augmentative and Alternative Communication: New Directions in Research and PracticeISBN: 978-1-86156-143-5
Paperback
366 pages
October 1999
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Filip T. Loncke, Center for International Cooperation Fracaritatis, Belgium.
John Clibbens, University of Plymouth, UK.
Helen H. Arvedson, Purdue University, USA.
Lyle Lloyd, Purdue University, USA.