Spreadsheet Modeling & Decision Analysis/  English 
Cliff T.Ragsdade. 
 - 4th Ed. 
 - USA:  Thomson,  2004 
 - xx,842p.:  ill.;  25cm. 
<br/><br/><label>ISBN: </label>0324305737 
<br/><br/><label>Dewey Class. No.: </label>65:681.142.1  / RAG