Hanson, Peggy <br/><br/>
Keypunching 
/  Peggy Hanson 
 - New Jersey  Prentice-Hall  1977 
 - 206 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>135149355 
<br/><br/><label>Dewey Class. No.: </label>519.93  / HAN