TY  - BOOK
AU  - TAN,Betty
AU  - Yeo Chee Kai
TI  - Pacific O Level Guide 
SN  - 981-208-450-9
U1  - 574. 
PY  - 1997///
CY  - Singapore
PB  - Pan Pacific Publications
KW  - 0
KW  - Grade 7-9
ER  -