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. Geocelebes [Internet]. 31 Oktober 2022 [dikutip 21 Agustus 2026];6(2):179 – 186. Tersedia pada: https://journal.unhas.ac.id/index.php/geocelebes/article/view/22043