Olivers, E.C. Olivers Data proessing and information technology: an instutional manual for business and accountacy studets E.C. Olivers, R.J.Champman - 8th. rev. - London D.P. Pub. 1990 - vi,420 ISBN: 187094139x Subjects--Topical Terms: Computer operating systems Dewey Class. No.: 004 / OLI N0