Worth, Thomas,  1923- <br/><br/>
COBOL for beginners / 
Thomas Worth. 
 - Englewood Cliffs, N.J. :  Prentice-Hall, Inc.,  1977. 
 - 369 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0131393782 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language).