1. Global warming and renewable energy sources for sustainable development: a case study in Turkey;Bilgen;Renewable and Sustainable Energy Reviews,2008
2. World energy outlook 2006;IEA, International Energy Agency,2006
3. World energy outlook 2007;IEA, International Energy Agency,2007
4. World energy outlook 2008;IEA, International Energy Agency,2008
5. Energy: the burning issues;Goswami;Refocus,2007