Zarkowska, Ewa <br/><br/>
Problem behaviour in people with severe learning disabilities :  a practical guide to a constructional approach / 
Ewa Zarkowska and John Clements 
 - London :  Croom Helm,  c1988 
 - xi, 208 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0709930143 :  PND 14.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavior modification<br/>Learning disabilities
<br/><br/><label>Dewey Class. No.: </label>371.9