TY  - BOOK
AU  - Sebastian,E.L.
AU  - Cayao,Erlinda A.
TI  - English proficiency 1
SN  - 978-971-584-588-5
U1  - Prof. 428.2 S443 2007 
PY  - 2007///
CY  - Philippines
PB  - C & E Publishing, Inc.
KW  - English language
KW  - Proficiency
ER  -