Analisis faktor penyebab kecelakaan kerja pada kegiatan penambangan batubara terbuka di divisi mining operation PT X tahun 2015 = Occupational accident causes analysis of surface coal mining activities in mining operation division PT X 2015

Analisis Klasifikasi Area Berbahaya dan Penilaian Risiko Kebakaran dan Ledakan Debu pada Proses Granulasi di PT. X = Analysis of Hazardous Area Classification and Risk Assessment of Fire and Dust Explosion in the Granulation Process at PT. X

Pengelolaan air asam tambang kegiatan pertambangan batubara terbuka dan kemungkinan dampak pada kesehatan kulit masyarakat pemanfaat sungai (suatu kajian di PT. X, Kabupaten Murung Raya, Provinsi Kalimantan Tengah) = Acid mine drainage management of open pit coal mining activities and possibility impact on skin health of river water-users community (a study in PT. X, Murung Raya District ,Central Kalimantan Province) / Rio Febrianto

Model Keberlanjutan Lingkungan Pertambangan Batubara (Kajian Nilai Jasa Lingkungan, dan Air Void Tambang sebagai Air Baku di PT Bukit Asam Tbk Tanjung Enim Sumatera Selatan) = Environmental Sustainability Model for Coal Mining (Value Assessment Environmental Services, and Mining Void Water for Raw Water of Coal Mining PT. Bukit Asam, Tbk, at Tanjung Enim, Sumatera Selatan)

Industrial explosion prevention and protection