LEADBETTER,Chris IGCSE and O Level Computer Studies and Information Technology Chris Leadbetter and Stewart Wainwright - New -York Cambridge University Press 2004 - x;212p ill 25cm Includes Index ISBN: 978-0-521-54540-2 Subjects--Topical Terms: LC Class. No.: 001.64 / 22 Dewey Class. No.: 001.64 / 22