McCalla, Richard. <br/><br/>
Structured COBOL programming and data processing methods / 
Richard McCalla. 
 - 434 pages. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534044883 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (computer language).