Santoso, W. et al. 2026. Analysis of the Effectiveness of Ships Berthing with TUG Services at Port Indonesia, Kumai-Bumiharjo Branch, Central Kalimantan. ASTONJADRO. 15, 4 (Oct. 2026), 1162–1170. DOI:https://doi.org/10.32832/astonjadro.v15i4.23096.