Thirkettle, G.L. . <br/><br/>
Wheldon`s Business Statistics and Statistical Method /  Textual Documents 
G.L. Thirkettle. 
 - 7th ed. / 
 - London :  The English Language Book Society ,  1972. 
 - 242p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics-Business G-Statistics 
<br/><br/><label>Dewey Class. No.: </label>311  / T 348 W