Walsh, Robert J. Modern guide to EDP design and analysis techniques / Robert J. Walsh. - Englewood Cliffs, N.J. : Business and Professional Books Division, Prentice-Hall, c1985. - xvi, 287 p. ISBN: 0135949203 Subjects--Topical Terms: System design.System analysis.Electronic data processing. LC Class. No.: QA76.9.S88 / W35 1985 Dewey Class. No.: 001.64/2�19