Wajnryb, Ruth. <br/><br/>
Classroom observation tasks :  A resource book for language teachers and trainers / 
Ruth Wajnryb. 
 - Cambridge, England ; New York :  Cambridge University Press,  1992. 
 - 145 p :  ill ;  24 c,. 
 - Cambridge teacher training and development .
<br/><br/>Includes bibliographical references (p. 136-138) and index. 
<br/><br/><label>ISBN: </label>0521407222 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language teachers--Training of