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

 - New Delhi :  Mac Grow Hill,  2021. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Technology
<br/><br/><label>Dewey Class. No.: </label>5.1  / PHI