O'BRIEN, J. A. (1990). Management Information Systems A Managerial And User Perspective James A. O'brien. Irwin.
Chicago Style aipamenaO'BRIEN, James A. Management Information Systems A Managerial And User Perspective James A. O'brien. Irwin, 1990.
MLA aipamenaO'BRIEN, James A. Management Information Systems A Managerial And User Perspective James A. O'brien. Irwin, 1990.
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