ISBN 1557666393 books & textbook
Communicative Competence for Individuals Who Use AAC: From Research to Effective Practice
Light, Janice C., Ph.D. Beukelman, David, Ph.D. Reichle, Joe, Ph.D.
Paul H Brookes Pub Co /2003-06-15 Hardcover / 512 Pages
isbn-10: 1557666393 / isbn-13: 9781557666390
