Helen LEE <br/><br/>
Data entry: Concepts and exercise 

 - New York       John Wiley         1982 
 - xix,355p.  cm. 
<br/><br/><label>Standard No.: </label>31943 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65,8(B):3, M23