Penilaian risiko keselamatan pada sistem perpipaan gas onshore di PT. X Sumatera tahun 2013 = Safety risk assessment for onshore gas pipeline system at PT. X Sumatera 2013

Kajian penurunan emisi gas rumah kaca sektor kehutanan untuk mendukung kebijakan perpres no. 61/2011 (Review of reducing green house gas emission for forestry sector to support the policy of presidential regulation no 61/2011

Analisis Risiko Aktivitas Gerakan Berulang pada Proses Pengecekan MCA dan Pengepakan Korek Api Gas di PT. Tokai Dharma Indonesia Tahun 2013 = Risk Analysis of Repetitive Motion Activity on Checking MCA and Packaging Gas Lighters Process at PT. Tokai Dharma Indonesia in 2013

Analisa Kadar Emisi Gas Rumah Kaca Akibat Konsumsi Energi Pada Industri Manufaktur = The Analysis of Green House Gasses Emissions Level Due to Energy Consumptions in the Manufacturing Industry

Optimasi biaya transportasi dan emisi gas rumah kaca Distribusi Logistik BBM di Wilayah Distribusi Niaga III = Transportation cost and green house gas emissions optimization of Petroleum Products Logistic Distribution in the Commercial Distribution Region III