THIRKETTLE, G.L <br/><br/>
Wheldon's Business Statistics and Statistical Method  Wheldon's Business Statistics and Statistical Method._6th Ed, London : E.L.B.S., 1969 
G.L THIRKETTLE 
 - 6th 
 - London  E.L.B.S.  1969 
<br/><br/><label>Dewey Class. No.: </label>311