1. UNEP FI (2004), Renewable Energy, United Nations Environment Programme Finance Initiative Climate Change Working Group, CEO Briefing (June 2004).
2. Sonntag-O'Brien V. , and Usher E. (2004b), ‘Mobilising Finance for Renewable Energy, Thematic background paper for the International Conference for Renewable Energies’, Bonn, [Online], http://www.renewables2004.de/pdf/tbd/TBP05-financing.pdf, January 2004.
3. UN Commission on Sustainable Development (2007), Report on the fifteenth session, Economic and Social Council Official Records, Supplement No. 9.
4. A New Database on the Structure and Development of the Financial Sector
5. Energy sector assistance in developing countries: Current trends and policy recommendations