TY  - BOOK
AU  - Becklake,John
AU  - Azni Ahmad
AU  - Becklake, Sue
AU  - Lau, Grace.
TI  - Pencemaran
SN  - 9678102323
PY  - 1997///
CY  - Kuala Lumpur
PB  - Vinpress
KW  - Air
KW  - Pollution
KW  - Juvenile literature
N1  - Include index
ER  -