1. World Energy Council, World energy resources: solar. (2013) 15/01/2018. Retrieved from https://www.worldenergy.org/wpcontent/uploads/2013/10/WER_2013_8_Solar_revised.pdf
2. D.M., Kammen, D.A., Sunter, City-integrated renewable energy for urban sustainability. Retrieved from https://gspp.berkeley.edu/research/featured/cityintegrated-renewable-energy-for-urbansustainability
3. NREL, Transforming Energy Through Science. Retrieved from National Renewable Energy Laboratory, Office of Energy Efficiency and Renewable Energy, USA (2016)
4. A.K., Panchal, Analysis of various methodologies for solar power generation: applicable to meet the energy demand of developing country like India. Innov. Energy Res. 5(2), 149 (2016)
5. Z.R., Shi, Crystal silicon solar cell status and development. In: Sunshine Power Generation Forum Proceedings, p. 10 Hangzhou, China (2002)