Software engineering/  English. 
Lan Sommerville. 
 - 7th Ed. 
 - New Delhi:  Dorling Kindersley,  2007. 
 - 781p.:  ill;  24cm. 
<br/><br/><label>ISBN: </label>8177585304 
<br/><br/><label>Dewey Class. No.: </label>X6810.14  / SOM