Ignatius Martan, Pius Memo Gading Agum Gumelar, and Andar Sri Sumantri. “Analysis of Ship Seaworthiness Factors, Health and Safety Culture, Oversight of Port Authority and Harbor Authority Offices on Shipping Safety: (Study at Tanjung Emas Class I Harbormaster and Port Authority Office)”. Terbuka Journal of Economics and Business 4, no. 1 (April 28, 2023): 44–57. Accessed July 22, 2024. https://jurnal.ut.ac.id/index.php/tjeb/article/view/4898.