Yanuarti, R. (2010). ECONOMICS 1 For Senior High School YEAR X: WORKBOOK. YUdhistira.
Chicago-viite (17. p.)Yanuarti, Rita. ECONOMICS 1 For Senior High School YEAR X: WORKBOOK. YUdhistira, 2010.
MLA-viite (8. p.)Yanuarti, Rita. ECONOMICS 1 For Senior High School YEAR X: WORKBOOK. YUdhistira, 2010.
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