ASHLEY, Ruth Fernandez, Judi <br/><br/>
Tape and disk files: COBOL 3 
/[by] Ruth Ashley, Judi Fernandez 
 - New York  John Wiley  1984 
 - 3v. (v.3- x, 267 p.) - 
 - data processing training series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>471871842 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (computer program language)<br/> Programming language
<br/><br/><label>Dewey Class. No.: </label>005.133COB  / ASH