MARTONO, M. BEKERJA AMAN DI DALAM RUANG TERBATAS. Swara Patra : Majalah Ilmiah PPSDM Migas, [S. l.], v. 3, n. 1, 2013. Disponível em: http://ejurnal.ppsdmmigas.esdm.go.id/sp/index.php/swarapatra/article/view/58. Acesso em: 18 may. 2024.