1. IEA, Medium-Term Renewable Energy Market Report 2013 Market Trends and projections to 2018, 〈http://www.iea.org/textbase/npsum/mtrenew2013sum.pdf〉, 2013, (accessed 17.04.16).
2. OECD/IEA, Technology Roadmap: Solar Photovoltaic Energy. 〈https://www.iea.org/publications/freepublications/publication/TechnologyRoadmapSolarPhotovoltaicEnergy_2014edition.pdf〉, 2014, (accessed 17.04.16).
3. Renewable Power Generation Costs in 2014;Taylor,2015
4. Assumptions and the levelized cost of energy for photovoltaics;Darling;Energy Environ. Sci.,2011
5. R.K. Naggi, Solar Energy and Its Uses, Pinnacle Technology, 2009.