TY  - BOOK
AU  - Haines,Simon
TI  - Advances skills: a resource book of avanced-level skills activities 
SN  - 9780521608480
U1  - 428.01 
PY  - 2006///
CY  - England
PB  - Cambridge University Press
KW  - INGLES
KW  - PROBLEMAS, EJERCICIOS, ETC
KW  - ESCRITURA
KW  - PRONUNCIACION
ER  -