Northen, Helen. <br/><br/>
Social work with groups. 

 - New york,  Columbia niversity Press,  1969 
 - vii, 270 p. 
<br/><br/><label>ISBN: </label>0231029659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social group work.
<br/><br/><label>Dewey Class. No.: </label>361.4 NOR