TY  - BOOK
AU  - Zarinah Ismail, 
AU  - 
TI  - Light and force, machine
T2  - Hands - On Science Series
SN  - 9839447777
U1  - 531.6 23
PY  - 2006///
CY  - Kuala Lumpur : 
PB  - Syarikat Damai Bersama , 
KW  - Light. ; Force - Experiments
N1  - Includes questions and exercises
ER  -