Matthews, Alan. <br/><br/>
Tandem :  communicative practice materials for post-elementary & intermediate students of English / 
Alan Matthews and Carol Read. 
 - London :  Bell & Hyman,  1984. 
 - 29, 29 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching.<br/>English language--Problems, exercises, etc.