TY  - BOOK
AU  - Fuchs,Marjorie
AU  - Bonner,Margaret
TI  - Focus on grammar 4: teacher's resource pack. 
SN  - 013216972X
U1  - 428.24 
PY  - 2012///
CY  - New York, . Estados Unidos
PB  - PEARSON
KW  - ENGLISH LANGUAGE
KW  - TEXTBOOKS FOR FOREIGN SPEAKERS
KW  - GRAMMAR
KW  - PROBLEMS, EXERCISES, ETC
KW  - IDIOMAS
ER  -