De Berker, Paul. <br/><br/>
Interaction :  human groups in community and institution : nine studies / 
edited by Paul De Berker. 
 - Oxford ;  Cassirer,  1969. 
 - 280 p. ; 
<br/><br/><label>ISBN: </label>0571093175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social groups.
<br/><br/><label>Dewey Class. No.: </label>302  / In