Larsen Barasa, Marihot Simanjuntak, Brenhard Mangatur Tampubolon, Nurul Wahyuni, and Siska Yoniessa, “Ship Maintenance and Spare-Parts Availability for Operational Continuity of AHTS Vessels ”, ePaper Bisnis, vol. 2, no. 3, pp. 144–149, Sep. 2025.