Allwright, Dick. <br/><br/>
Obsevation in the Language Classroom /  

 - 1st ed /  
 - England :   Longman Group Ltd. ,   1990 
 - p.288 :  
<br/><br/><label>ISBN: </label>0-582-55376-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Linguistics
<br/><br/><label>Dewey Class. No.: </label>P:(T:3)  / M8