TY  - BOOK
AU  - Ur,Penny
TI  - A course in language teaching: practice and theory : trainee book 
T2  - Cambridge teacher training and development
SN  - 9780521656245
AV  - P51 U77
U1  - 418/.0071 21
PY  - 1999///
CY  - Cambridge, United Kingdom
PB  - Cambridge University Press
KW  - Lenguaje y lenguas
KW  - Estudio y enseñanza
ER  -