00495cam a22001334a 4500 0 0 0 0 RIU RIU 2012-05-21 Purchased: ABSCO Islamabad 2668.00 4 005.1 SOM 0965 2021-10-11 00:00:00 2021-03-10 1 2019-02-21 BK 772 772 0471974447 (pbk) 005.1 SOM Sommerville, Ian Pete Sawyer Requirements engineering a good practice guide Chichester John Wiley & Sons 1997 xi, 391 p. : ill. ; 24 cm. Computer science Computer software Systems engineering System analysis Software requirement System modeling Requirements management FC BK