Summers, Vivian <br/><br/>
Clear English 

 - London  Penguin  1991 
 - 158 p. 
<br/><br/><label>ISBN: </label>0140173463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LANGUAGE
<br/><br/><label>Dewey Class. No.: </label>425  / SUM