Nunan, David <br/><br/>
Designing tasks for the communication classroom 
/ David Nunan,... 
. - Cambridge  : Cambridge university, 1989
. - x-211p.  : Ill.  ; 23 cm. 
 - Cambridge  language teaching libray .
<br/><br/>Bibliogr. Index 
<br/><br/><label>ISBN: </label>0521379156 
<br/><br/><label>Source: </label> Don britannique 
<br/><br/><label>Universal Decimal Class. No.: </label>802.0