Vazsonyi, Andrew
Introduction to data processing
Richard D. Irwin, 1980
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Carter, Norman H.
Introduction to business data processing
Dickenson , [s.a.]
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Elliott, C. Orville
Introduction to data processing
Richard D. Irwin, 1970
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Popkin, Gary S.
Introduction to Data Processing
Mifflin Company, 1981
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Crawford, F. Robert
Introduction to data processing
Prentice-Hall, 1973
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