THIRKETTLE, G.L. <br/><br/>
WHELDON` BUSINESS STATISTICS AND STATISTICAL METHOD 

 - 9th Ed. 
 - London  MacDonald and Evans Ltd., London   1981 
<br/><br/><label>ISBN: </label>0712123253 
<br/><br/><label>Dewey Class. No.: </label>519.54  / THI/W