Sinclair, Barbara,   1940- <br/><br/>
Activate your English :    pre-intermediate self-study workbook / 
Barbara Sinclair with Gregory Hoehner. 
 - Cambridge :   Cambridge University Press,  1996. 
 - 55 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>0521425697 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Foreign speakers
<br/><br/><label>LC Class. No.: </label>PE1128