Paula Yuliarta Br Sitanggang, Syarifur Ridho, Dirhamsyah Dirhamsyah, Fadiyah Hani Sabila. Optimization of Making Dahsukim Permits for Foreign Employees Working on Lay Up Ships At PT. Trans Shipping Agency Batam. ocean [Internet]. 2023 Jun. 30 [cited 2024 Oct. 3];2(2):150-9. Available from: https://journal.unimar-amni.ac.id/index.php/ocean/article/view/2470