Mirnezami, Seyed Reza, and Sajad Rajabi. “Changing Primary Energy Consumption Due to COVID-19: The Study 20 European Economies”. International Journal of Energy Economics and Policy 11, no. 1 (December 1, 2020): 615–631. Accessed December 23, 2024. https://mail.econjournals.com/index.php/ijeep/article/view/10342.