Children with exceptionalities in Canadian classroom / 
Winzer Margaret . 
 - 5th ed. 
 - Ontario;  Prentice Hall and Allyn Bacon Canada ,  1999. 
 - xi,659 p:  ill; 
<br/><br/><label>ISBN: </label>013792870x 
<br/><br/><label>LC Class. No.: </label>LC3984  / .W86 1999