Vazsonyi, Andrew
Introduction to data processing
Richard D. Irwin, 1980
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Potter, George B.
Data processing: an introduction
Business, 1984
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Waters, S. J.
Systems documentation
NCC Publications, 1979
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London, Keith R.
Documentation standards
Petrocelli Books, 1974
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Awad, Elias M.
Automatic data processing, principles and procedures
Prentice-Hall, 1966
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