TY  - BOOK
AU  - ALAM S
AU  - Irzam
TI  - Economics 1a: : For senior High School Grade X semester 1
SN  - 979-25-5446-7
U1  - 330. 
PY  - 2013///
CY  - Jakarta
PB  - Esis 
KW  - 0
KW  - Grade 10-12
ER  -