Potensi Pencemaran Air Asam Tambang oleh Lubang Bekas Galian Tambang (Void) dan Lahan Penyumbang Asam di Wilayah Kerja Pertambangan Batubara Kota Samarinda Provinsi Kalimantan Timur = Potential Acid Mine Drainage Water Pollution by Former Mining Pits and Acid Contributing Land in the Coal Mining Work Area of Samarinda City East Kalimantan Province

Analisis Kestabilan Lereng pada Lowwall Slope Desain Life of Mine Tambang Terbuka Batubara Lapangan "X", Kabupaten Bengkulu Utara, Provinsi Bengkulu = Slope Stability Analysis on Lowwall Slope at Coal Open Pit "X" Field Life of Mine Design, North Bengkulu Regency, Bengkulu Province

Analisis dampak tambang batubara pada kesejahteraan masyarakat di sekitarnya = Impact analysis of coal mining on the welfare of surrounding community / Azmi Farid

Optimasi lereng highwall tambang batu bara terbuka asam asam pit "x" berdasarkan mohr-coulomb failure criterion = highwall slope optimization of pit "x" of asam asam open-pit coal mining area based on the mohr-coulomb failure criterion.

Analisis Karakteristik Baterai Lead Acid Menggunakan Air Asam Tambang Jenis Batubara Sebagai Elektrolit = Characteristic Analysis on Lead Acid Battery Using Coal Acid Mine Drainage As An Electrolyte