Perizinan dan pelaksanaan kegiatan pertambangan batu kapur di kawasan hutan oleh PT. Semen Indonesia (persero) tbk. = Licensing and implementation of limestone mining activities in forest area by PT. Semen Indonesia (persero) tbk.

Karakterisasi Massa Batuan Berdasarkan Data Geophysical Borehole Logging di Area Tambang Bawah Tanah Kucing Liar PT Freeport Indonesia = Rock Mass Characterization Based on Geophysical Borehole Logging Data in Kucing Liar Underground Mine Area of PT Freeport Indonesia

Peran Polri dalam pencegahan dan penegakkan hukum pertambangan tanpa izin (Studi di Kecamatan Lubuk Besar Kabupaten Bangka Tengah) = The role of Polri (Indonesian State Police) in the prevention and law Enforcement of Illegal Mining (Study in Lubuk Besar District Central Bangka Regency City)

Karakteristik Batugamping pada Endapan Mineral Skarn di Sekitar Formasi Jampang, Lapangan Gajah, Sukabumi, Jawa Barat = Characteristics of Limestone in Skarn Mineral Deposits AroundcJampang Formation, Gajah Field, Sukabumi, West Java

Kebijakan Clean and Clear dalam menata izin usaha pertambangan mineral dan batubara = The Clean and Clear policy in managing the mining business license of mineral and coal