TY  - BOOK
AU  - RAHARDJA,Prathama
TI  - Siap Olimpiade Sains IPS Ekonomi SMP/MTs
SN  - 978-602-7638-05-1
U1  - 330. 
PY  - 2013///
CY  - Jakarta
PB  - Bina Prestasi Insani
KW  - 0
KW  - Grade 7-9
ER  -