Roy, M. K. (et al) <br/><br/>
Cobol programming 

 - 2nd ed 
 - Tata McGraw-Hill publishing company limited, New Delhi  1982 
 - xxi,496 
<br/><br/><label>ISBN: </label>0-07-460318-3 
<br/><br/><label>Dewey Class. No.: </label>001.6124 Roy