Wajnryb, Ruth <br/><br/>
Classroom observation tasks :  A resource book for language teachers and trainers / 
Ruth Wajnryb 
 - Cambridge :  Cambridge University press  1995 
 - viii, 145 p.  23 cm 
<br/><br/><label>ISBN: </label>0-521-40722-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English-learning