Arnold, Robert R. <br/><br/>
Modern data processing / 
by Robert R. Arnold, Harold C. Hill and Aylmer V. Nichols. 
 - 2nd ed. 
 - New York :  John Wiley & Sons,  1972. 
 - xvi, 474 p. :  ill. ;  26 cm. 
<br/><br/> Workbook to accompany modern data processing. 
<br/><br/><label>ISBN: </label>0471033510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.<br/>Computers.