Sinclair,  Barbara <br/><br/>
Activate your English. Intermediatecoursebook / 
Barbara Sinclair 
 - Cambridge :   Cambridge University Press,  1996 
 - 95 p.  30 cm. 
<br/><br/><label>ISBN: </label>521484200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Study; teaching
<br/><br/><label>Universal Decimal Class. No.: </label>371.9