Johson, David W. <br/><br/>
Joining together: group theory and group skills 

 - Englewood  Prentice-Hall, Inc.  1975 
 - ix,470p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social group
<br/><br/><label>LC Class. No.: </label>HM131.J613