KONOPKA, giisela <br/><br/>
Group work in the institution:  A modern challeges, 
Gisela Konopka. 
 - New york:  Association press,  c1954 
 - xiv,304p.; 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>809617773 
<br/><br/><label>Dewey Class. No.: </label>361.4