Opportunities and Challenges in the Use of Graphene

Source: Kuan-Tsae Huang

The 10 largest coal producers and exporters in Indonesia:

1. Bumi Resouces (BUMI)
2. Adaro Energy (ADRO)
3. Indo Tambangraya Megah (ITMG)
4. Bukit Asam (PTBA)
5. Baramulti Sukses Sarana (BSSR)
6. Harum Energy (HRUM)
7. Mitrabara Adiperdana (MBAP)
8. Samindo Resources (MYOH)
9. United Tractors (UNTR)
10. Berau Coal

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