Sinclair, Barbara <br/><br/>
Activate your English :  intermediate teacher's book / 
Barbara Sinclair, Philip Prowse 
 - Cambridge, U.K.:  Cambridge University Press,  1996 
 - 67 p.:  ill.;  30 cm. 
<br/><br/><label>ISBN: </label>0521484189 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching