Awad, Elias M. <br/><br/>
Business data processing / 
Elias M. Awad 
 - 5th ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall International,  1980 
 - 552 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0130938076 
<br/><br/><label>LCCN: </label>79-029749 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>Punched card systems