1. Enerdata, Global Energy Trends"Total power use. [Online] “https://www.enerdata.net/publications/reports-presentations/world-energy-trends.html." Consulted in (February,2021)
2. Global energy review 2020,2020
3. Exxon Mobil, 2017 Outlook for Power: A View to 2040. [Online] http://cdn.exxonmobil.com/~/media/global/files/outlook-for-power/2017/2017-outlookfor-power.pdf
4. Energies Nouvelles, Renouvelables et Maitrise de l'Energie (French), Ministry of power. Algeria. [Online] ( http://www.power.gov.dz/francais/uploads/2016/Energie/energierenouvelable.pdf )
5. Central Intelligence Agency. (2019). The CIA world factbook 2019. [Online] https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ag.html