O'Brien, James A.
Introduction to information systems in business management. - 6th ed. - Homewood, Il : Irwin, 1991. - Book.
0256088551
Business--Data processing.
Management--Data processing.
Introduction to information systems in business management. - 6th ed. - Homewood, Il : Irwin, 1991. - Book.
0256088551
Business--Data processing.
Management--Data processing.