| 1 | Renewable Energy: Sources For Fuels And Electricity Thomas B. Johansson, Laurie Burnham, Earthscan, 1993 |
| 2 | The International Energy Agency (IEA) reports (https://www.iea.org/analysis?type=report) |
| 3 | Renewable Energy: Power for a Sustainable Future Godfrey Boyle, Oxford University Press, 2004 |
| 4 | Handbook of Photovoltaic Science and Engineering, Antonio Luque and Steven Hegedus, John Wiley, 2011. |
| 5 | Wind Energy Handbook, T. Burton, N.Jenkins, E. Bossanyi, D. Sharp, M. Graham, John Wiley, 2021. |