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“BIAYA PRODUKSI EXCAVATOR KOMATSU PC-200 PADA KEGIATAN PENAMBANGAN PASIR DI PT. MAKUGAWENE KELURAHAN SULAMADAHA KOTA TERNATE BARAT: Jamaikal Makatita¹, Herry Djainal2 Program Study Teknik Pertambangan Universitas Muhammadiyah Maluku Utara (UMMU) Ternate”, EJD, vol. 11, no. 2, pp. 9–15, Sep. 2018, Accessed: Oct. 17, 2025. [Online]. Available: https://jurnal.ummu.ac.id/index.php/dintek/article/view/132