371.9<br/>KOC<br/><br/>
5485<br/><br/>
Koch, Richard <br/><br/>
UNDERSTANDING THE MENTALLY RETARDED CHILD  : A NEW APPROACH 

. – NEW YORK :  RANDOM HOUSE, INC..
<br/><br/>xv, 301 p. 
<br/><br/>ISBN 0 394 48547 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CHILD EDUCATION
<br/><br/><label>Dewey Class. No.: </label>371.9  / KOC