1. General rights global energy consumption: the numbers for now and in the future;Seger,2017
2. 21st century's energy: hydrogen energy system. NATO secur. Through sci. Ser. C environ. Secur;Veziroglu,2007
3. How long will fossil fuels last? | Business Standard News n.d. https://www.business-standard.com/article/punditry/how-long-will-fossil-fuels-last-115092201397_1.html (accessed July 9, 2020).
4. Photovoltaic thermal module concepts and their performance analysis: a review;Hasan;Renew Sustain Energy Rev,2010
5. Organic solar cells: an overview;Hoppe;J Mater Res,2004