LEFFINGWELL,D <br/><br/>
MANAGING SOFTWARE REQUIREMENTS: UNIFIED APPROACH 

 - NEW DELHI  PEARSON  2000 
 - xxvii+ 491p,. 24X18C 
<br/><br/><label>ISBN: </label>8178082608 
<br/><br/><label>Dewey Class. No.: </label>621.3819642 L488