TY  - BOOK
AU  - Yeap,Tok Kheng
TI  - Science SPM
T2  - Longman essential
SN  - 9789673395422
U1  - 507 23
PY  - 2010///
CY  - Petaling Jaya, Selangor : 
PB  - Pearson Malaysia , 
KW  - Science - Problems, exercises, etc
ER  -