TY  - BOOK
AU  - Heyworth, Rex M.
TI  - Explore your world with science discovery 1 : : practical workbook 
SN  - 978-981-235-165-4
AV  - 372.3 H51e 
PY  - 2007///
CY  - Singapore
PB  - Pearson Education South Asia Pte Ltd
KW  - Science
KW  - Experiments
KW  - Discoveries in science
ER  -