Group dynamics 
Donelson R. Forsyth. 
 - Seventh edition. 
 -  Cengage Learning, Inc.  2019 
 - xviii, 697 pages 
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<br/><br/><label>ISBN: </label>978-1-33740885-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social groups.
<br/><br/><label>Dewey Class. No.: </label>302.34 F735 2019