Proficiency in English through life in English-speaking countries / 
National Council of Teachers of English. 
 - International ed. 
<br/><br/><label>ISBN: </label>0071135243 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Study and teaching --Foreign speakers.
<br/><br/><label>LC Class. No.: </label>PE1128   / .P76 1994