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1

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Introduction to information systems / James A. O'Brien.

by O'Brien, James A.
Published 1997

2

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Introduction to information business systems in business management / James A. O'Brien..

by O'Brien, James A.
Published 1991

3

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Introduction to information systems / by George M. Marakas, and James A. O.Brien.

by Marakas, George M.
Published 2013