1. Intergovernmental Panel on Climate Change. Contribution of working groups I, II and III to the fourth assessment report. Climate Change, Synthesis Report; 2007. Available: 〈http://www.ipcc.ch/publications_and_data/ar4/syr/en/contents.html〉.
2. International Energy Agency. Key World Energy Statistics; 2012.
3. When will fossil fuel reserves be diminished?;Shafiee;Energy Policy,2009
4. Clodic D. Zéro fuite: limitation des émissions de fluides frigorigènes. Editions PYC Livres, France; 1997.
5. Chapter 3 – Solar Energy Collectors;Kalogirou,2014