Graddol, David. <br/><br/>
Evaluation manual 

 - Paris  UNESCO  1983 
 - 84p. 
<br/><br/><label>ISBN: </label> UKP 20.00 
<br/><br/><label>Source: </label> UKP 20.00 
<br/><br/><label>Dewey Class. No.: </label>300 GRA