Awad, Elias M.
Business data processing
Prentice-Hall, 1971
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Basic data processing
Dover Publications , 1971
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Brandon, Dick H.
Data processing management
Macmillan Information , 1975
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Orilia, Lawrence
Business data processing systems
John Wiley & Sons, 1972
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Spencer, Donald D.
Data processing: an introduction
Charles E. Merrill, 1982
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