Roy, M K  . <br/><br/>
Cobol programming /   Textual Documents 
M K Roy. 
 - New Delhi :   Mc-Graw Hill ,   1982. 
 - NULL ;   NULL. 
<br/><br/><label>Subjects--Index Terms: </label>Programming languageCOB 
<br/><br/><label>Dewey Class. No.: </label>005.133COB  / ROY