Hartley, Peter <br/><br/>
Group communication 

 - London:  Routledge,   1997 
 - xiv, 226p.;  21cm. 
<br/><br/><label>ISBN: </label>0415111609 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social interaction
<br/><br/><label>Dewey Class. No.: </label>302.34  / HAR