TY  - BOOK
AU  - Yu,Pilar R.
TI  - English for a better world I: an interactive collaborative, and intergrative worktext for high school 
SN  - 9789712345876
U1  - 420 
PY  - 2007///
CY  - Manila
PB  - Rex Book Store
KW  - English
N1  - includes glossary and index
ER  -