TY  - BOOK
AU  - KIM,Nam-Seok
TI  - Why? : Water = Air
SN  - 978-979-27-8533-3
U1  - 553.7 
PY  - 2011///
CY  - Jakarta
PB  - Elex Media Komputindo
KW  - 0
KW  - Grade 7-9
ER  -