Heward,L.W. <br/><br/>
Excepitional children:  an introduction to special education/ 

 - 8th 
 - Columbus:  Pearson,  2006. 
 - xxiii.; 632p.:  ill.;  25 cm 
<br/><br/> includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780131191705 
<br/><br/><label>LC Class. No.: </label>DUCE LC3981.H49