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Proses Penanganan Calsine PT. Guang Ching Nickel & Stainless Steel (GCNS) : Laporan Akhir Studi / PATINGGI, Palentinus text Makassar : Politeknik ATI Makassar - Teknik Perawatan Mesin - Morowali, 2017 Laporan Praktek TPM 2017