Arnold, Robert R.  4  0   <br/><br/>
Introduction to data processing        6 
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[by] Robert R. Arnold, Harold C. Hill [and] Aylmer V. Nichols. 
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<br/><br/><label>Nat. Bib. No.: </label> 2 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Business    ----Data processing.----20--
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<br/><br/><label>LC Class. No.: </label>HF5548.2  / .A742 
<br/><br/><label>Dewey Class. No.: </label>651.8  / 2 
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