Johnston, Robert Service operations management improving service delivery ? Robert Johnston and Graham Clark - 3rd ed. - Harlow, England . Harlow, England : Prentice-Hall 2008 - xvi, 533p. : ill. 25cm Invludes bibliographical references and index 533 ISBN: 9781405847322 Subjects--Topical Terms: Operating systems (Computers) LC Class. No.: HD9980. 5 .J647 2008 Dewey Class. No.: HD9980. 5 .J647 2008 National Library of Medicine Call No.: HD9980. 5 .J647 2008