TY  - BOOK
AU  - Schoenberg, Irene E.
TI  - Focus on Grammar, a basic course for reference and practice
SN  - 0201346761
U1  - I428.24 S31F 
PY  - 2000///
CY  - Nueva York
PB  - Pearson Longman
KW  - GRAMMAR
KW  - GRAMÁTICA
KW  - USE OF ENGLISH
KW  - SECONDARY GRADE (SECUNDARIA)
KW  - ELEMENTARY LEVEL
KW  - A2
KW  - INTERMEDIATE LEVEL
KW  - B1
ER  -