Penilaian risiko keselamatan kerja pada pengelasan logam di bengkel las logam Sikembar Sukmajaya Depok Desember 2012 = Metal welding safety risk assessment in metal welding workshop Sikembar in Sukmajaya Depok December 2012

Kaji Risiko Keselamatan dan Kesehatan Kerja Petugas Penanganan Prasarana dan Sarana Umum (PPSU) Kelurahan Jatipadang Pada Tahun 2019 = Occupational Health and Safety Risk Assessment of the Public Facility and Utility Workers in the Jatipadang Municipal on 2019

Manajemen risiko keselamatan dan kesehatan kerja pada proses pencucian mobil di FJM Jakarta tahun 2012 = Risk management of occupational health and safety in FJM car wash Jakarta in the year of 2012

Penilaian risiko keselamatan kerja dari bahaya mekanik pada Pekerja Pembuat Mebel Kayu di Industri Informal “Indah Jati Furniture” Kota Depok Tahun 2013 = Safety risk assessment of mechanical hazards on Wood Furniture Workers in Informal Industry "Indah Jati Furniture" Depok year 2013

Kajian risiko keselamatan dan kesehatan kerja pada area produksi karkas sapi Rumah potong Hewan (RPH) Terpadu Dinas Pertanian Kota Bogor tahun 2017 = Occupational health and safety risk assessment at slaughterhouse cattle carcass production area Department of Agriculture Bogor 2017