1. Solar cells: Past, present, future;Goetzberger;Sol Energ Mater Sol Cells,2002
2. Jones GG, Bouamane L. “ Power from Sunshine”: A Business History of Solar Energy. Harvard Business School Working Paper Series. 2012. https://dash.harvard.edu/bitstream/handle/1/9056763/12-105.pdf?sequence=1&isAllowed=y.
3. Solar photovoltaics: A brief history of technologies [History];Nag;IEEE Power Energy Mag,2022
4. U.S Department of Energy, “Energy Efficiency and Renewable Energy”, “The History of Solar” timeline- https://www1.eere.energy.gov/solar/pdfs/solar_timeline.pdf.
5. What is the global potential for renewable energy?;Moriarty;Renew Sustain Energ Rev,2012