Haya, Fitria Dwi Ningsi, Aliyusro Jolo, and Yanny Yanny. “Analysis of Productivity Synchronization of Barge Transportation Equipment and Crane Loading on Nickel Ore Delivery Activities in PT. Antam Nickel UBP North Maluku: Analisis Sinkronisasi Produktivitas Alat Angkut Tongkang Dan Alat Muat Crane Pada Kegiatan Pengapalan Nickel Ore Di PT. Antam UBP Nikel Maluku Utara”. JURNAL GEOCELEBES 6, no. 2 (October 31, 2022): 179 -. Accessed November 25, 2024. https://journal-old.unhas.ac.id/index.php/geocelebes/article/view/22043.