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“PERENCANAAN TEKNIS OPERASI PRODUKSI BIJIH TIMAH DI BLOK 3 TAMBANG BESAR 2.1 MITRA PT TIMAH (PERSERO) TBK: Technical Planning for The Operation of Tin Ore Production at Block 3 Tambang Besar2.1 Partner of PT Timah (Persero) Tbk”, mineral, vol. 2, no. 1, pp. 1–7, Jan. 2020, doi: 10.33019/mineral.v2i1.1540.