Gray, Joanna. <br/><br/>
Thinking English :  teacher's book / 
Joanna Gray, Michael Thorn. 
 - London :  Cassell,  1982. 
 - 97 p. ;  25 cm. 
 - Cassell's foundation English ;  bk.4 .
<br/><br/><label>ISBN: </label>0304306266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.