Joining together :   Group theory and group skills /  
Johnson, David W. and Johnson, Frank P.  
 - New Jersey :   Prentice-Hall, Inc.,  c1975  
 - ix, 470 p. :   ill. ;   23 cm.   includes bibliographical references 
<br/><br/><label>ISBN: </label>0-13-510388-6 
<br/><br/><label>Subjects--Topical Terms: </label>--1. social groups 2. leadership
<br/><br/><label>Dewey Class. No.: </label>301.185 JOH