1. Renewables 2018 Global Status Report. REN21. 2018
2. International Technology Roadmap for Photovoltaic (2017) including maturity report 2018. 9th ed. 2018
3. Wenham SR, Green MA. Silicon solar cells. Progress in Photovoltaics: Research and Applications. 1996;4:3-33. DOI: 10.1002/(SICI)1099-159X(199601/02)4:1%3C3::AID-PIP117%3E3.0.CO;2-S
4. PVEDUCATION.ORG. Available from: https://www.pveducation.org/pvcdrom/manufacturing/refining-silicon [Accessed: 10 December 2018]
5. PVEDUCATION.ORG. 2018. Available from: https://www.pveducation.org/pvcdrom/manufacturing/single-crystalline-silicon [Accessed: 10 December 2018]