Davis, Gordon B.
Computers and information processing
McGraw-Hill, 1978
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Long, Larry E.
Introduction to computers and information systems
Prentice-Hall, 1994
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Mader, Chris
Information systems : technology, economics, applications
Science Research Associates , 1974
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Long, Larry E.
Introduction to computer and information processing
Prentice-Hill, 1984
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Essick, Edward L.
Essentials of computer data processing
Science Research Associates, 1984
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