Orilia, Lawrence. <br/><br/>
Introduction to business data processing 
Lawrence S. Orilia. 
 - New York  McGraw-Hill  c1979. 
 - xxiii, 587 p.  ill. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing.<br/>Electronic data processing