00573cam a2200205 a 4500 ocm85972018 1999083100000000 900822s1993 sa a 001 0 eng d 9780702128370 eng 658.05 20 The principles of business computing / by P.M.Q. Lay ... [et al.]. 4th ed. Cape Town : Juta, 1993. viii, 553 p. : ill. Includes index. Business Data processing. Lay, P. M. Q. (Peter Mark Quine), 1945-. 3725 3725