Syatem Analysis and Design Methods 
by Whitten, Jeffrey L. / Bentley Lonnie D. 
 - Fourth Edition 
 -  Tata Mc-Graw-Hill Publishing Company Limited 
 - 724 p. 
<br/><br/><label>ISBN: </label>0074639625 
<br/><br/><label>Dewey Class. No.: </label>004.21