TY  - BOOK
AU  - WAJNRYB,Ruth
TI  - Classroom observation tasks: a resoure book for language teachers and trainers 
T2  - Cambridge Teacher Training and Development
SN  - 0521407222
PY  - 1992///
CY  - Cambridge
PB  - Cambridge University Press
UR  - http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29864
ER  -