TY  - BOOK
TI  - SCHOOL science encyclopedia volume 1: part 1 (matter), part 2 (energy)
SN  - 9831830407
U1  - 503 
PY  - 2003///
CY  - Petaling Jaya
PB  - Times Educational Co. Sdn Bhd
KW  - Science
KW  - Encyclopedia
N1  - Includes index
ER  -