TY  - BOOK
AU  - Ann, David Lim Kee
AU  - Esmund Chua
TI  - Science smart textbook 6
SN  - 978-981-4321-75-4
U1  - Circ. 500 An71 2012 
PY  - 2012///
CY  - Malaysia
PB  - Alston Publishing House Pte Ltd
KW  - energy--food chains--body systems--adaptations--environment
ER  -