Cite chart
IEA (2021), Estimated energy intensity by copper ore quality, IEA, Paris https://www.iea.org/data-and-statistics/charts/estimated-energy-intensity-by-copper-ore-quality, Licence: CC BY 4.0
IEA (2021), Estimated energy intensity by copper ore quality, IEA, Paris https://www.iea.org/data-and-statistics/charts/estimated-energy-intensity-by-copper-ore-quality, Licence: CC BY 4.0
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