Gore, Marvin Elements of systems analysis / Marvin Gore and John Stubbe - 3rd ed. - Iowa : W. C. Brown, c1983. - xxii, 544 p. : ill. ; 23 cm. ISBN: 0697081699 LCCN: Subjects--Topical Terms: Information systemsSystems analysis LC Class. No.: HF5548.2 / .G598 1983 Dewey Class. No.: 658.4038 / G666e