Muhammadakbar, F. (2021) “Analisis Risiko Bahaya Hauling Road Pada Penambangan Batubara Di Pt Manrapi Mining Kontraktor Jobsite Panca Agung, Kabupaten Bulungan, Kalimantan Utara”, ReTII, pp. 337 -. Available at: //journal.itny.ac.id/index.php/ReTII/article/view/2694 (Accessed: 7December2022).