TY  - GEN
T1  - IPS
A1  - Sutoyo
A1  - Agung, Leo
LA  - Indonesian
PP  - Jakarta
PB  - Pusat Perbukuan, Departemen Pendidikan Nasional
YR  - 2009
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei1809052998
KW  - Schulbuch
ER  -