Reading and thinking in English :  exploring functions. 

 - Teacher's edition. 
 - Oxford :  Oxford University Press,  1979. 
 - xxi, 170 p . :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0194513548 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.