Willemse, Isabel <br/><br/>
Statistical Methods and Calculation Skills/ 

 - Third edition 
 - Cape Town:  Juta,  2009. 
 - vii,272 pages;  24cm. 
<br/><br/><label>ISBN: </label>9780702177538 
<br/><br/><label>Dewey Class. No.: </label>519.5 WILL