Analisis persepsi risiko keselamatan dan kesehatan kerja pada karyawan di PT. Terang Parts Indonesia = Analysis of risk perception on occupational health and safety of employees at PT Terang Parts Indonesia

Penilaian risiko keselamatan dan kesehatan kerja kegiatan operasi dan produksi PT Pertamina Geothermal Energy Area Lahendong tahun 2012 = Risk assessment of occupational health and safety for operation and production task PT Pertamina Geothermal Energy Area Lahendong 2012

Evaluasi implementasi sistem manajemen keselamatan dan kesehatan kerja untuk mencegah terjadinya kecelakaan kerja di PT. XYZ tahun 2014 = Evaluation management system implementation occupational health and safety for preventing the occurrence of accidents at PT. XYZ 2014

Evaluasi penerapan program inspeksi keselamatan kerja pemboran di PT. CPI tahun 2003 s/d 2005 = Evaluation on occupational safety inspection program implementation at drilling industry PT. CPI year 2003 until 2005

Analisis penerapan budaya keselamatan kerja di PT JHH Tahun 2018 = Analysis of the implementation of work safety culture at PT JHH in 2018