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edited by William B. Frakes
Pretice-Hall , 1992
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Spencer, Donald D.
Data processing: an introduction
Charles E. Merrill, 1982
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O`Brien, James A., 1936-
Introduction to information systems
Irwin, 1997
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Olson, David Louis
Introduction to information systems
McGraw-Hill , 2004
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Orilia, Lawrence S.
Computers and information: an introduction
McGraw-Hill, 1986
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