Tubbs, Stewart L. <br/><br/>
A systems approach to small group interaction 
Stewart L. Tubbs 
 - 8th ed 
 - Boston  McGraw-hill  2004 
 - xviii, 437p.  Col. ill;  23cm 
<br/><br/><label>ISBN: </label>0072862475 
<br/><br/><label>Dewey Class. No.: </label>658.4036/  / TUB