Bikatofani RR. ANALISIS RISIKO PENGOPERASIAN OVERHEAD CRANE DOUBLE GIRDER DI DIVISI KAPAl NIAGA PT PAL SURABAYA. IJOSH [Internet]. 2015 Jan. 1 [cited 2025 May 8];4(1):43-5. Available from: https://e-journal.unair.ac.id/IJOSH/article/view/1641