TY  - BOOK
AU  - PARK,Sang-Wook
AU  - Endah Nawang Novianti
TI  - Why? : Scientific Events = Peristiwa Sains
SN  - 978-979-27-9747-3
U1  - 500.07 
PY  - 2011///
CY  - Jakarta
PB  - Elex Media Komputindo
KW  - 0
KW  - Grade 7-9
ER  -