Orilia, Lawrence S.
Introduction to business data processing
McGraw-Hill, 1982
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Popkin, Gary S.
Introduction to Data Processing
Mifflin Company, 1981
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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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Langenbach, Robert G.
Introduction to automated data processing
Prentice-Hall, 1968
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