Helgesen, Marc <br/><br/>
Active listening :  introducing skills for understanding. Teacher's edition / 
Marc Helgensen. 
 - Cambridge  Cambridge University Press  1995 
 - p.:ill.;25cm 
<br/><br/> teacher's edition 
<br/><br/><label>ISBN: </label>0521398843 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Listening-Problems, Exercises<br/>Listening-Study And Teaching