/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: IrwanSutiadi https://cdn.slidesharecdn.com/profile-photo-IrwanSutiadi-48x48.jpg?cb=1594181011 Environmental Monitoring, Engine Performance Testing and Industrial Emissions Testing based on USEPA Methode. Environmental Permit ( UKL/UPL, AMDAL) and Hazardous Waste Utilization. www.eksperta.co.id