“EVALUASI UJI DENSITY METODE ASTM D 1298 dan D 6822” (2019) Swara Patra : Majalah Ilmiah PPSDM Migas, 9(1), pp. 1–6. Available at: https://dev-ejurnal.ppsdmmigas.id/sp/index.php/swarapatra/article/view/192 (Accessed: 6 June 2026).