Prasetyo, Azhar Adhitama; Nurhadi, Nurhadi; Pulungan, Linda
(Pusat Penerbitan Universitas Islam Bandung, 2021-02)
Coal reserves in Indonesia are of low quality (lignite) with calories <5100 cal/gr which are included in reserves with a percentage value of 60%. The policies set by the government are Law No. 4 of 2009 concerning Mineral ...