Vendel, Thomas M. <br/><br/>
Introduction to data processing and COBOL 

 - New York  McGraw-Hill  1969 
 - ix,462p. 
<br/><br/>   
<br/><br/><label>Subjects--Index Terms: </label>Data processing in cobol  Calculating devices  Computing devices  Data processing  COBOL 
<br/><br/><label>Universal Decimal Class. No.: </label>004.432.2  / WEN