Makatita, Jamaikal, and Herry Djainal. “BIAYA PRODUKSI EXCAVATOR KOMATSU PC-200 PADA KEGIATAN PENAMBANGAN PASIR DI PT. MAKUGAWENE KELURAHAN SULAMADAHA KOTA TERNATE BARAT”. DINTEK 11, no. 2 (September 2, 2018): 9-15. Accessed July 27, 2021. https://jurnal.ummu.ac.id/index.php/dintek/article/view/132.