http://assets.storaenso.com/se/com/DownloadCenterDocuments/Progress_Book_http://storaenso.com/financialreport2016 http://assets.storaenso.com/se/com/DownloadCenterDocuments/Corporate_Governance_Report_2016.pdf http://assets.storaenso.com/se/com/DownloadCenterDocuments/GRI_Index_2016.pdf http://annualreport.storaenso.com/2016/notes-to-the-consolidated-financial-statements/note-31-related-party-transactions/ http://www.storaenso.com/sustainability/stories/renewable-energy-from-wastewater focusing on internal operational efficiency and external factors such as beneficial use and revenues derived from by-products and residuals .