Sonya Ledys Pakpahan, and Fadiyah Hani Sabila. “Implementation of the ISM Code for MV Ships. Eastern Fair at PT Pelayaran Multi Jaya Samudera Belawan”. Jurnal Rimba : Riset Ilmu Manajemen Bisnis dan Akuntansi, vol. 1, no. 3, Aug. 2023, pp. 172-8, doi:10.61132/rimba.v1i3.930.