Wheldon, Harold J. <br/><br/>
Business statistics and statistical method / 
Harold J. Wheldon / EDITED BY G. L. T hirkettle 
 - 4th ed.,  completely rev. by G. L. Thirkettle. 
 - London :  Macdonald & Evans,  1957. 
 - 270p.  illus.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>310  /  WHB 1957