Effects of the COVID-19 pandemic on energy systems and electric power grids — a review of the challenges aheadNavon, Aviad; Machlev, Ram; Carmon, David; Onile, Abiodun Emmanuel; Belikov, Juri; Levron, YoashEnergies2021 / art. 1056, 14 p. : ill https://doi.org/10.3390/en14041056 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS