Kurnianingsih, S. (2010). Mathematics 2A for Senior High School Grade XI Semester 1: Science Program. ESIS.
Lua i Stíl Chicago (17ú heag.)Kurnianingsih, Sri. Mathematics 2A for Senior High School Grade XI Semester 1: Science Program. ESIS, 2010.
Lua MLA (8ú heag.)Kurnianingsih, Sri. Mathematics 2A for Senior High School Grade XI Semester 1: Science Program. ESIS, 2010.
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