Betty <br/><br/>
Computer Typing : made simple computerbooks  English 
Betty 
 - London  Heineman  1985 
 -  0-434-98404-3 .
<br/><br/><label>ISBN: </label> 01434-98404-3 
<br/><br/><label>Dewey Class. No.: </label>005.72  / B458C