您搜索了: guidelines.pdf (意大利语 - 英语)

indicatori essenziali delle prestazioni ambientali per i settori, comunicati dal defra (http://archive.defra.gov.uk/environment/business/reporting/pdf/envkpi-guidelines.pdf);
environmental key performance indicators for sectors, as reported by defra (http://archive.defra.gov.uk/environment/business/reporting/pdf/envkpi-guidelines.pdf);