1. GWEC, Global wind energy outlook, Greenpeace & Global Wind Energy Council, 2014.
2. A review on global solar energy policy;Solangi;Renewable and Sustainable Energy Reviews,2011
3. ESTIF. Solar thermal markets in Europe.European Solar Thermal Industry Federation, Brussel; 2006.
4. HaruniAMO. A stand-alone hybrid power system with energy storage. Centre of Renewable Energy and Power Systems (CREPS), University of Tasmania, Tasmania; 2013.
5. Al-FarukA, SharifianA. Geometrical optimization of a swirling Savonius wind turbine using an open jet wind tunnel.Alexandria Engineering Journal; 2016; 55;2055-2064.