"Whitten, J. " <br/><br/>
Systems analysis and design methods/ 
J. L. Whitten 
 - Boston:  "Mcgraw hill,"  2004 
 - 780p. 
<br/><br/><label>ISBN: </label>0-07-121521-2 
<br/><br/><label>Subjects--Index Terms: </label>systems analysis 
<br/><br/><label>Dewey Class. No.: </label>5.1