TY  - BOOK
AU  - PIDDOCK,Charles
TI  - Selidik National Geographic : Teknologi Masa Depan
SN  - 13: 978-979-91-0449-6
U1  - 600. 
PY  - 2013///
CY  - Washington
PB  - National Geographic 
KW  - 0
KW  - Grade 7-9
ER  -