1. European Photovoltaic Industry Association (EPIA). Global market outlook for photovoltaics 2013-2017; 2013. 〈http://www.epia.org/news/publications/global-marketoutlook-for-photovoltaics-2013-2017/〉 accessed November 2013.
2. European Parliament and of the Council of the European Union. Directive 2012/19/EU of the European Parliament and of the Council of 4 July 2012 on waste electrical and electronic equipment (WEEE). Official Journal of the European Union, 24.07.2012; L 197/38-71.
3. Photovoltaic technologies;Bagnall;Energy Policy,2008
4. European Photovoltaic Industry Association (EPIA) and Greenpeace, Solar Generation 6. Solar photovoltaic electricity empowering the world, , 〈http://www.greenpeace.org/international/Global/international/publications/climate/2011/Final%20SolarGeneration%20VI%20full%20report%20lr.pdf〉; 2011 [accessed November 2013].
5. A review of solar photovoltaic technologies;Parida;Renew Sustain Energy Rev,2011