TY  - BOOK
AU  - OON Hock Leong
TI  - Know Your 'O' Level Chemistry A Study Guide 
SN  - 978-981273727-4
U1  - 540. 
PY  - 2008///
CY  - Singapore
PB  - Panpac Education Private Limited 
KW  - 0
KW  - Grade 7-9
ER  -