Thirkettle, G. L. <br/><br/>
Wheldon's business statistics and statistical method 

 - 9th ed 
 - London  ELBS  1981 
 - ix,278p 
<br/><br/><label>ISBN: </label>9780273026969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BUSINESS STATISTICS<br/>STATISTICS
<br/><br/><label>Dewey Class. No.: </label>519  / T33