TY - BOOK AU - Wajnryb, Ruth TI - Classroom observation tasks : A resource book for language teachers and trainers SN - 521407222 U1 - 418.007 PY - 1992/// CY - Cambridge [England], New York PB - Cambridge University Press KW - Language teachers KW - Training of KW - Observation (Educational method) N1 - 000075; CH 075 ER -