Horn, L. Wayne. <br/><br/>
Advanced structured COBOL :  batch and interactive / 
L. Wayne Horn, Gary M. Gleason. 
 - Boston, MA :  Boyd & Frase,r  1985. 
 - 420 p. :  ill. ;  28 cm. 
<br/><br/> Continues : Beginning structured COBOL. 
<br/><br/><label>ISBN: </label>0878351442 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language).<br/>Structured programming.