Matthews, Alan. <br/><br/>
Tandem :  communicative practice materials for post-elementary & intermediate students of English : teacher's notes / 
Alan Matthews and Carol Read. 
 - [1981 ed.] 
 - London :  Bell & Hyman,  1981. 
 - 63 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching.<br/>English language--Spoken English.<br/>English language--Conversation and phrase books.