TY  - BOOK
AU  - Maldonado,Gloria
AU  - Mercado,Carmen
TI  - Mastering English
PY  - 2004///
CY  - Puerto Rico
PB  - Editorial Panamericana
KW  - English language
KW  - Study and teaching
KW  - Puerto Rico
KW  - Spanish speakers
KW  - Local
ER  -