Roy, M K. <br/><br/>
Cobol programming / 
By M K Roy and D Ghosh Dastidar. 
 - 1st ed. 
 - New Delhi :  Tata McGraw Hill Publishing Company Ltd ;  1987. 
 - xvii,421p. ;  PB  23 cm. 
<br/><br/><label>ISBN: </label>74518666 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conditional and sequence control verbs<br/>Sorting and merging of files
<br/><br/><label>Dewey Class. No.: </label>005.135  / ROYM