Sommerville, Ian Software engineering / Ian Sommerville - 6th ed. - New Delhi : Pearson Education, c2001. - xx,693 p. : ill. ; 24 cm. ISBN: 817808497x LCCN: Subjects--Topical Terms: Software engieeringComputer science LC Class. No.: QA76.758 / .S637 2001 Dewey Class. No.: 005.1 / S697s