TY  - BOOK
TI  - Ensiklopedia Sains Sekolah (2)
SN  - 9679183556
U1  - 503  23
PY  - 1997///
CY  - Petaling Jaya, Selangor : 
PB  - Pustaka Zaman , 
KW  - Science - Dictionaries
N1  - Jil. 2
ER  -