SUMITRO, D. English for science and technologi. Gadjah Mada University Press.
Chicagoスタイル(17版)引用形式SUMITRO, Djoko. English for Science and Technologi. Gadjah Mada University Press.
MLA(8版)引用形式SUMITRO, Djoko. English for Science and Technologi. Gadjah Mada University Press.
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