Popkin, Gary S. <br/><br/>
Introductory structured COBOL programming / 
Gary S. Popkin 
 - Boston :  Kent Publishing,  1981 
 - xv, 471p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0442231660 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language)<br/>Structure programming