Gulley, Halbert E. <br/><br/>
Communication and group process :  techniques for improving the quality of small-group communication / 
Halbert E. Gulley, Dale G. Leathers 
 - 3rd edition. 
 - New York :  Holt, Rinehart and Winston,  1977 
 - 286 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0030894069  hadiah 
<br/><br/><label>LCCN: </label>76-044532 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interpersonal communication<br/>Small groups