TY  - BOOK
AU  - Vyjanthimala, Balakrishna
AU  - Lum, Chiew Siew
TI  - Explorning Science 1 :Workbook 1B
SN  - 0-19-584844-6
U1  - 507 
PY  - 1993///
CY  - Singapore
PB  - Oxford University
KW  - Work Book
KW  - Science
ER  -