Muhammad Aris Raihan, et al. “Optimalisasi Pengadaan Sparepart Kapal Berbasis Digital Pada PT Pertamina International Shipping”. Marine Transport Management and Logistics Journal, vol. 1, no. 4, Oct. 2024, pp. 29-38, https://jurnal.poltekpelsulut.ac.id/index.php/Transport/article/view/102.