Silver, Gerald A. <br/><br/>
Data processing for business 
Gerald A.Silver and John B.Silver 
 - 3rd ed. 
 - New York  Harcourt Brace Jovanovich  1981 
 - 622p. ill. 24cm. 
<br/><br/><label>ISBN: </label>0155168142 
<br/><br/><label>LCCN: </label>80-81674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing