TY  - BOOK
AU  - Azilah Ali, 
TI  - Learning about light
T2  - Everyday science series
SN  - 983753074X
U1  - 428.6 23
PY  - 2006///
CY  - Petaling Jaya, Selangor : 
PB  - Penerbit Pan Earth , 
KW  - Readers
ER  -