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 [Internet]. 2020 Jan. 29 [cited 2026 Jun. 24];2(1):1-7. Available from: https://www.journal.ubb.ac.id/index.php/mineral/article/view/1540