Leff, E. (2007). Wakefulness of Happiness. Imaginaries to Rethink Education in the Era of Environmental Crisis.
Chicago-tyylinen lähdeviittausLeff, Enrique. Wakefulness of Happiness. Imaginaries to Rethink Education in the Era of Environmental Crisis. 2007.
MLA-viiteLeff, Enrique. Wakefulness of Happiness. Imaginaries to Rethink Education in the Era of Environmental Crisis. 2007.
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