Hoffer, Jeffrey A George, Joey F. Valacich,Jiseph S. <br/><br/>
Modern Systems Analysis and Design 

 - New York  Addison Wesley  1999 
 - p.854 
<br/><br/><label>ISBN: </label>0201338416 
<br/><br/><label>Dewey Class. No.: </label>621.3819642 H71M