Burt, Cyril <br/><br/>
The backward child 

 - 5th ed 
 - London  University of London, Press  1969 
 - xx, 708p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>136.766  / B86