S, A. (2012). ECONOMICS 2B for Senior High School Grade XI Semester 2. ESIS.
Chicagoスタイル(17版)引用形式S, Alam. ECONOMICS 2B for Senior High School Grade XI Semester 2. ESIS, 2012.
MLA(8版)引用形式S, Alam. ECONOMICS 2B for Senior High School Grade XI Semester 2. ESIS, 2012.
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