Tingkat efektivitas proteksi K3 pada tahapan commissioning pipa Steams Above Ground System Proyek Pembangkit Listrik Tenaga Panas Bumi (PLTP) Wayang Windu Unit 2 di PT XYZ = effectiveness level of Hse Protection to commissioning Steams Above Ground System pipe for geothermal power plant project in wayang windu unit 2 at PT XYZ - Ispranto Kurnia Adhy, author (2008)