Awad, Elias M. <br/><br/>
Business data processing 
Elias M. Awad. 
 - 5th ed. 
 - Englewood Cliffs, N.J.  Prentice-Hall  c1980. 
 - xxii, 552 p.  ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label> 16.95 
<br/><br/><label>LCCN: </label>79029749 //r832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing.<br/>Punched card systems