Wajnryb, Ruth. <br/><br/>
Classroom Observation Tasks : A Resource Book For 

 -  Cambridge University Press  1992 
 - VIII, 145 P. 23 CM. 
<br/><br/>CAMBRIDGE TEACHER TRAINING AND DEVELOPMENT. 
<br/><br/><label>ISBN: </label>521407222 
<br/><br/><label>Dewey Class. No.: </label>418.007 WAJ 1992 C.2