Popkin, Gary S. <br/><br/>
Advanced structured COBOL / 
Gary S. Popkin. 
 - 2nd ed. 
 - Boston, Mass. :  Kent Pub. Co.,  c1987. 
 - xi, 578 p. :  ill. 
<br/><br/><label>ISBN: </label>0534077889 (pbk.) :  $24.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language).<br/>Structured programming.
<br/><br/><label>Dewey Class. No.: </label>005.13/3�19