Spreadsheet Modeling & Decision Analysis/  English. 
Cliff T. Ragsdale. 
 - 4th Ed. 
 - USA.:  Thomson South Western,  2004. 
 - xx, 842p. :  ill., photograph;  26cm. 
<br/><br/><label>ISBN: </label>0324305737 
<br/><br/><label>Dewey Class. No.: </label>65:681.142.1  / RAG