Sinclair, Barbara <br/><br/>
Activate your English :  pre-intermediate teacher's book / 
Barbara Sinclair 
 - Cambridge, U.K.:  Cambridge University Press,  1996 
 - 88 p.:  ill.;  30 cm. 
<br/><br/><label>ISBN: </label>0521425700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Audio-visual instruction<br/>English language--Study and teaching