Philippakis Andreas S <br/><br/>
Information systems through cobol 

 -  1974 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>974 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:89M0bD65,8(B), L4