WALKENBACH, John <br/><br/>
EXCEL 2002 FORMULAS 

 - 1st Ed. 
 -  Wiley-Dreamtech India Pvt. Ltd., New Delhi   2002 
<br/><br/><label>ISBN: </label>81 265 0297 5 
<br/><br/><label>Dewey Class. No.: </label>005.369 EX  / WAL/E