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Nur Anbiyak
Direktorat Teknik dan Lingkungan Mineral dan Batubara, Kementerian ESDM,
Indonesia
Tyas Cahyaningrum
Direktorat Teknik dan Lingkungan Mineral dan Batubara, Kementerian ESDM
Indonesia
No.225/E/KPT/2022 (4th level)