Johnson David W <br/><br/>
Joining together : Group theory and group skills 

 - 4 
 - Englewood Cliffs    Prentice-Hall  1991 
 - xii,530p. 
<br/><br/><br/>MACESE 
<br/><br/><label>ISBN: </label>0-13-508516-0 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group theory