Clifton, H. D 1927- Business data systems : a practical guide to systems analysis and data processing / H.D. Clifton - 2nd ed. - Englewood Cliffs, N.J. : Prentice-Hall International, 1983 - 387p. : ill. ; 23 cm. Includes bibliographies and index LCCN: 82-009862 Subjects--Topical Terms: Business--Data processingSystem analysis