ANALISIS BOLLARD PULL TEST PADA KAPAL TUG BOAT GT.117 DENGAN SISTEM PROPULSI FIXED PITCH PROPELLER (FPP). JATRA. 2026;8(1):54-61. Accessed October 24, 2026. https://clone-jurnal.polibatam.ac.id/index.php/JATRA/article/view/12867