Welman J. C. <br/><br/>
Research Methodology / Welman Kruger Mitchell. 

 - 3rd ed. 
 -  Cape Town : Oxford : Oxford University Press 2005. 
 - X 342 P. : ILL. 24 CM. + 1 CD-ROM (4 3/4 IN.) 
 -  0 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>9780195789010 (Pbk.)