HARPER , William L  <br/><br/>
DATA PROCESSING DOCUMENTATION  

 - LONDON   McGRAW HILL  1980 
 - 303p.   ill,:24cm  
<br/><br/> include index  
<br/><br/><label>ISBN: </label>40 131968165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>data processing 
<br/><br/><label>Dewey Class. No.: </label>05001.16 HAR