Jones, Philip R.,  <br/><br/>
Sign & symbol communication for mentally handicapped people 

 - xiv, 147 pages :   illustrations ;   24 cm 
<br/><br/><label>ISBN: </label>0709914318 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication - Study and teaching
<br/><br/><label>Dewey Class. No.: </label>371.92