Gunawan, Gigih, Production Engineer, PT Arutmin Indonesia, Tambang Asamasam, Indonesia
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2020: PROSIDING TEMU PROFESI TAHUNAN PERHAPI - Articles
PENINGKATAN PRODUKSI BATUBARA DENGAN OPTIMALISASI CADANGAN BATUBARA PIT 11 UTARA PT ARUTMIN INDONESIA, TAMBANG ASAMASAM
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