Proficiency in English through our changing world / 
The National Council of Teachers of English 
 - 2nd ed. 
 - New York :  McGraw-Hill,  c1975. 
 - 174p. ;  ill. ;  24 cm. 
 - English language series .
<br/><br/><label>ISBN: </label>0071135235 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language<br/>Textbooks for foreign speakers
<br/><br/><label>LC Class. No.: </label>PE1128  / .P76 1975