Popkin, Gary S. <br/><br/>
Introduction to data processing / 
Gary S. Popkin, Arhtur H. Pike. 
 - 2nd ed. 
 - Boston :  Houghton Mifflin,  1981. 
 - xvi, 459 p. :  ill. ;  25 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0395294835 
<br/><br/><label>LCCN: </label>8080733  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.<br/>Computer programming.