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Jadwal Kerja Karyawan Mining Coal Russian

We have Jadwal Kerja Karyawan Mining Coal Russian,Pengaruh keselamatan kerja dan kesehatan kerja terhadap produktivitas kerja karyawan. ... as the increase in the industry, particularly coal mining industry in east kalimantan is always the problem that arises is the possibility of the occurrence of occupational accidents, occupational diseases, and environmental pollution. ...

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