Doff, Adrian <br/><br/>
Intermediate self-study workbook with answers key language in use / 
Adrian Doff 
 - UK :  Cambridge University Press,  1994 
<br/><br/><label>ISBN: </label>9780521435543 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English grammar
<br/><br/><label>Dewey Class. No.: </label>410.71  / DOF