THIRKETTLE, G. L. <br/><br/>
Wheldon's Business Statistics and Statistical Method 

 - 6th Ed. 
 - London,  MacDonald,  1968. 
 - xii, 308p.: ill.; figure, graph, map, picture, table.  Index.  21cm. 
<br/><br/><label>ISBN: </label>7121 0221 3 
<br/><br/><label>Dewey Class. No.: </label>519. 024 THI