Leffingwell, Dean <br/><br/>
Managing software requirements :  a use case approach. 

 - 2nd ed. 
 - New Delhi:  PEARSON EDUCATION,  2003. 
 - 536 p. ;  (R13,SH 02). 
 - 2nd edition. .
<br/><br/><label>ISBN: </label>813171179X (paperback) 9788131711798 (paperback) 
<br/><br/><label>Dewey Class. No.: </label>005.1068