Enormous quantities of coal are available especially in SE, E and NE Borneo; the commercial value, however, is relatively small in connection with their quality and market-position.
Ketersediaan
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Pusat Sumber Daya Mineral, Batubara dan Panas Bumi - Jln. Soekarno Hatta No. 444, Bandung, Jawa Barat
PMB LF 1937-1