TY  - BOOK
AU  - Lafferty,Peter
TI  - Cahaya dan Bunyi
T2  - Tinjau dan selidik sains
SN  - 9835801967
U1  - 535 23
PY  - 1999///
CY  - Shah Alam, Selangor : 
PB  - Times , 
KW  - Light ; Sound
N1  - Let's investigate science - Light and sound
ER  -