Hanson, Owen <br/><br/>
Essentials of computer data files 

 - New Delhi:  Affiliated East-West Press  1989 
 - xii, 176p.:ill.; 23cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data files
<br/><br/><label>Dewey Class. No.: </label>005.74 HAN