Plooy, GM du. <br/><br/>
Communication research :  techniques, methods and applications / 
by GM du Plooy. 
 - second edition. 
 - CapeTown :  Juta,  2009. 
 - 460  pages :  illustrations ;    cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>9780702177101 :  $39.13 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication - research.