Roy,M.K and Dastidar,D Ghosh <br/><br/>
Theory and problems in cobol programming 

 - New Delhi  Tata-Mac graw hill publishing company ltd  1995 
 - 335p. 
<br/><br/><label>ISBN: </label>0-07-460084-2 
<br/><br/><label>Dewey Class. No.: </label>005.133      Roy.N5