TY  - BOOK
AU  - Hewings,Martin
TI  - Advanced grammar in use: : a self-study reference and practice book for advanced learners of english with answers 
U1  - CD 428.2 
PY  - 2005///
CY  - Cambridge
PB  - Cambridge University Press
KW  - EJERCICIOS GRAMATICALES
KW  - ENSEÑANZA DEL INGLES
KW  - GRAMATICA INGLESA
KW  - LINGUISTICA
N1  - Material complementario del libro
ER  -