Du Plooy, G M <br/><br/>
Communication research : techniques, methods and applications / 
G M du Plooy. 
 - Second edition. 
 - CapeTown:  Juta & Co;  2009. 
 - 460 pages.:  illustrations;  25 cm. 
<br/><br/><label>ISBN: </label>9780702177101  Paperback (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label>--Research techniques--Research methodology
<br/><br/><label>Dewey Class. No.: </label>302.2072 COMM