Parkinson, C Northcote <br/><br/>
Watch your figures 

 - Chennai  Macmillan  1976 - R 2007 
 - vi, 173p.  PB  20cm. 
<br/><br/><label>ISBN: </label>0333900502 
<br/><br/><label>Dewey Class. No.: </label>658.1552  / PAR