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Gaya APA

Gunara, S. (2020). Buku Pedoman Pelaksanaan Keselamatan dan Kesehatan Kerja . : Sudirman Central Business District.

Gaya MLA

Gunara, Santoso. "Buku Pedoman Pelaksanaan Keselamatan dan Kesehatan Kerja". : Sudirman Central Business District, 2020. Text.