View of Potensi Pencairan Batubara Kalimantan Timur Sebagai Bahan Bakar Cair Berdasarkan Kajian Geokimia Organik Degradasi Fraksi Polar Batubara, Pit Kancil, Kalimantan Timur

Otopro; mechanical engineering and applications; manufacture; Metalurgy; material; energy conversion; and machine design; automation; automotive;