Batubara
Series: Info-brosur -- 3-1983; Info-brosur -- 3
Publisher: Direktorat Sumber Daya Mineral, Direktorat Jenderal Pertambangan Umum, Departemen Pertambangan dan Energi
Published: 1983
Place of publication: Bandung]
Language: ind
Number of pages: 30
Subjects: Coal
Notes: Cover title.