Coal Business Development Director of the Directorate General of Mineral and Coal, Ministry of Energy and Mineral Resources (ESDM) Adhi Wibowo said the Ministry of Energy and Mineral Resources again invite stakeholders to discuss the revision of the tariff of coal. - See more at: http://katadata.co.id/berita/2015/05/19/royalti-batu-bara-dikaji-ulang#sthash.k7aEb4TM.dpuf
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