Bekas Tambang Giok di Myanmar Longsor, Lima Orang Tewas, 15 Hilang - Hujan monsun memicu runtuhnya tumpukan terak di tambang ...
PT Permata Prima Sakti Tbk is an Indonesia-based coal mining company with two subsidiaries (Riau Baraharum and Nusantara Termal Coal, operating in the coal mining sector on Sumatra, one subsidiary ...
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