Campbell, Colin <br/><br/>
Matrix :  pre-intermediate teacher's book / 
Colin Campbell, Kathy Gude, Michael Duckworth. 
 - 120 p. 
<br/><br/><label>ISBN: </label>0194369706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers--Textbooks for foreign speakers
<br/><br/><label>LC Class. No.: </label>TRCCTBCAM2002  / CAMa