TY  - BOOK
AU  - Schoenberg,Irene E
AU  - Fuchs,Marjorie
AU  - Bonner,Margaret
AU  - Westheimer,Miriam
AU  - Maurer,Jay
TI  - Focus on grammar: An integrated skills approach 
T2  - Always learning
SN  - 0132455919
AV  - PE1128 S36 2011
PY  - 2011///
CY  - New York : 
PB  - Pearson Education, 
KW  - Lemb
KW  - Gramática
KW  - Libros de texto
N1  - Apéndices, glosario e índice; Contenido; [level] 1 / Irene Schoenberg and Jay Maurer --
[level] 2 / Irene Schoenberg --
[level] 3 / Marjorie Fuchs, Margaret Bonner, Miriam Westheimer --
[level] 4 / Marjorie Fuchs, Margaret Bonner --
[level] 5 / Jay Maurer
ER  -