1. L. Cozzi, T. Gould, S. Bouckart, D. Crow, T.-Y. Kim, C. McGlade, P. Olejarnik, B. Wanner, D. Wetzel, World Energy Outlook 2020 2050; 2020, 1–461.
2. Snapshot of photovoltaics-2020;Jäger-Waldau;Energies,2020
3. New trends in energy production and utilization;Caetano;Energy Procedia,2017
4. Best Research-Cell Efficiency Chart.pdf. Nrel,2019
5. Towards sustainable wine: Comparison of two Portuguese wines;Martins;J Clean Prod,2018