ZARKOWSKA, Ewa <br/><br/>
Problem behaviour:  and people with severe leaning disabilities 
Ewa Zarkowska 
 - 2th ed. 
 - New York  Chapman &Hall  1996 
 - ix,300p. 
<br/><br/><label>ISBN: </label>0412476908 
<br/><br/><label>Dewey Class. No.: </label>370 15