Gaya APA
Keselamatan Kerja Bahan Kimia Di Industrian
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(2010).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Keselamatan Kerja Bahan Kimia Di Industrian
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Yogyakarta:
Gadjah Mada University Press,
2010.
Text.