O'Connell,Sue <br/><br/>
Focus on proficiency 

 - England  Longman Limited  1984 
 - 224p.  28cm 
<br/><br/><label>ISBN: </label>0175569819 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proficiency
<br/><br/><label>Dewey Class. No.: </label>420.044  / OCO