Margomgom L, Tarigan SW, Sembiring AC. Usulan Perbaikan Sistem Manajemen K3 di PT Libo Sawit Perkasah Siak. JURITI PRIMA [Internet]. 2024 Aug. 29 [cited 2026 Apr. 2];2(2). Available from: http://139.162.50.187/index.php/juriti/article/view/5633