1. Towards a sustainable industrial system: With recommendations for education, research, industry and policy;Evans,2009
2. World Business Council for Sustainable Development, 2010. The Vision 2050: The new agenda for business. Available: http://www.wbcsd.org/pages/edocument/edocumentdetails.aspx?id=219&nosearchcontextkey=true.
3. OECD (Organisation for Economic Co-operation and Development). 2012b. Environmental Outlook to 2050: Key Findings on Water. Paris, OECD.
4. Water: A key resource in energy production;Rio Carrillo;Energy Policy,2009
5. WWAP (United Nations World Water Assessment Programme). 2014. The United Nations World Water Development Report 2014: Water and Energy. Paris, UNESCO.